90888800

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:241

約数の個数: 144

約数和(自身を含む): 242140752

約数和(自身を除く): 151251952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 41, 50, 68, 80, 82, 85, 100, 136, 160, 163, 164, 170, 200, 205, 272, 326, 328, 340, 400, 410, 425, 544, 652, 656, 680, 697, 800, 815, 820, 850, 1025, 1304, 1312, 1360, 1394, 1630, 1640, 1700, 2050, 2608, 2720, 2771, 2788, 3260, 3280, 3400, 3485, 4075, 4100, 5216, 5542, 5576, 6520, 6560, 6683, 6800, 6970, 8150, 8200, 11084, 11152, 13040, 13366, 13600, 13855, 13940, 16300, 16400, 17425, 22168, 22304, 26080, 26732, 27710, 27880, 32600, 32800, 33415, 34850, 44336, 53464, 55420, 55760, 65200, 66830, 69275, 69700, 88672, 106928, 110840, 111520, 113611, 130400, 133660, 138550, 139400, 167075, 213856, 221680, 227222, 267320, 277100, 278800, 334150, 443360, 454444, 534640, 554200, 557600, 568055, 668300, 908888, 1069280, 1108400, 1136110, 1336600, 1817776, 2216800, 2272220, 2673200, 2840275, 3635552, 4544440, 5346400, 5680550, 9088880, 11361100, 18177760, 22722200, 45444400, 90888800]

約数ペア:

[(1, 90888800), (2, 45444400), (4, 22722200), (5, 18177760), (8, 11361100), (10, 9088880), (16, 5680550), (17, 5346400), (20, 4544440), (25, 3635552), (32, 2840275), (34, 2673200), (40, 2272220), (41, 2216800), (50, 1817776), (68, 1336600), (80, 1136110), (82, 1108400), (85, 1069280), (100, 908888), (136, 668300), (160, 568055), (163, 557600), (164, 554200), (170, 534640), (200, 454444), (205, 443360), (272, 334150), (326, 278800), (328, 277100), (340, 267320), (400, 227222), (410, 221680), (425, 213856), (544, 167075), (652, 139400), (656, 138550), (680, 133660), (697, 130400), (800, 113611), (815, 111520), (820, 110840), (850, 106928), (1025, 88672), (1304, 69700), (1312, 69275), (1360, 66830), (1394, 65200), (1630, 55760), (1640, 55420), (1700, 53464), (2050, 44336), (2608, 34850), (2720, 33415), (2771, 32800), (2788, 32600), (3260, 27880), (3280, 27710), (3400, 26732), (3485, 26080), (4075, 22304), (4100, 22168), (5216, 17425), (5542, 16400), (5576, 16300), (6520, 13940), (6560, 13855), (6683, 13600), (6800, 13366), (6970, 13040), (8150, 11152), (8200, 11084)]