8656400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 120

約数和(自身を含む): 23525280

約数和(自身を除く): 14868880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 34, 38, 40, 50, 67, 68, 76, 80, 85, 95, 100, 134, 136, 152, 170, 190, 200, 268, 272, 304, 323, 335, 340, 380, 400, 425, 475, 536, 646, 670, 680, 760, 850, 950, 1072, 1139, 1273, 1292, 1340, 1360, 1520, 1615, 1675, 1700, 1900, 2278, 2546, 2584, 2680, 3230, 3350, 3400, 3800, 4556, 5092, 5168, 5360, 5695, 6365, 6460, 6700, 6800, 7600, 8075, 9112, 10184, 11390, 12730, 12920, 13400, 16150, 18224, 20368, 21641, 22780, 25460, 25840, 26800, 28475, 31825, 32300, 43282, 45560, 50920, 56950, 63650, 64600, 86564, 91120, 101840, 108205, 113900, 127300, 129200, 173128, 216410, 227800, 254600, 346256, 432820, 455600, 509200, 541025, 865640, 1082050, 1731280, 2164100, 4328200, 8656400]

約数ペア:

[(1, 8656400), (2, 4328200), (4, 2164100), (5, 1731280), (8, 1082050), (10, 865640), (16, 541025), (17, 509200), (19, 455600), (20, 432820), (25, 346256), (34, 254600), (38, 227800), (40, 216410), (50, 173128), (67, 129200), (68, 127300), (76, 113900), (80, 108205), (85, 101840), (95, 91120), (100, 86564), (134, 64600), (136, 63650), (152, 56950), (170, 50920), (190, 45560), (200, 43282), (268, 32300), (272, 31825), (304, 28475), (323, 26800), (335, 25840), (340, 25460), (380, 22780), (400, 21641), (425, 20368), (475, 18224), (536, 16150), (646, 13400), (670, 12920), (680, 12730), (760, 11390), (850, 10184), (950, 9112), (1072, 8075), (1139, 7600), (1273, 6800), (1292, 6700), (1340, 6460), (1360, 6365), (1520, 5695), (1615, 5360), (1675, 5168), (1700, 5092), (1900, 4556), (2278, 3800), (2546, 3400), (2584, 3350), (2680, 3230)]