8642800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 120

約数和(自身を含む): 23248512

約数和(自身を除く): 14605712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 34, 40, 41, 50, 62, 68, 80, 82, 85, 100, 124, 136, 155, 164, 170, 200, 205, 248, 272, 310, 328, 340, 400, 410, 425, 496, 527, 620, 656, 680, 697, 775, 820, 850, 1025, 1054, 1240, 1271, 1360, 1394, 1550, 1640, 1700, 2050, 2108, 2480, 2542, 2635, 2788, 3100, 3280, 3400, 3485, 4100, 4216, 5084, 5270, 5576, 6200, 6355, 6800, 6970, 8200, 8432, 10168, 10540, 11152, 12400, 12710, 13175, 13940, 16400, 17425, 20336, 21080, 21607, 25420, 26350, 27880, 31775, 34850, 42160, 43214, 50840, 52700, 55760, 63550, 69700, 86428, 101680, 105400, 108035, 127100, 139400, 172856, 210800, 216070, 254200, 278800, 345712, 432140, 508400, 540175, 864280, 1080350, 1728560, 2160700, 4321400, 8642800]

約数ペア:

[(1, 8642800), (2, 4321400), (4, 2160700), (5, 1728560), (8, 1080350), (10, 864280), (16, 540175), (17, 508400), (20, 432140), (25, 345712), (31, 278800), (34, 254200), (40, 216070), (41, 210800), (50, 172856), (62, 139400), (68, 127100), (80, 108035), (82, 105400), (85, 101680), (100, 86428), (124, 69700), (136, 63550), (155, 55760), (164, 52700), (170, 50840), (200, 43214), (205, 42160), (248, 34850), (272, 31775), (310, 27880), (328, 26350), (340, 25420), (400, 21607), (410, 21080), (425, 20336), (496, 17425), (527, 16400), (620, 13940), (656, 13175), (680, 12710), (697, 12400), (775, 11152), (820, 10540), (850, 10168), (1025, 8432), (1054, 8200), (1240, 6970), (1271, 6800), (1360, 6355), (1394, 6200), (1550, 5576), (1640, 5270), (1700, 5084), (2050, 4216), (2108, 4100), (2480, 3485), (2542, 3400), (2635, 3280), (2788, 3100)]