86286400

素因数分解:

$2^6\times 5^2\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:492

約数の個数: 84

約数和(自身を含む): 214172800

約数和(自身を除く): 127886400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 199, 200, 271, 320, 398, 400, 542, 796, 800, 995, 1084, 1355, 1592, 1600, 1990, 2168, 2710, 3184, 3980, 4336, 4975, 5420, 6368, 6775, 7960, 8672, 9950, 10840, 12736, 13550, 15920, 17344, 19900, 21680, 27100, 31840, 39800, 43360, 53929, 54200, 63680, 79600, 86720, 107858, 108400, 159200, 215716, 216800, 269645, 318400, 431432, 433600, 539290, 862864, 1078580, 1348225, 1725728, 2157160, 2696450, 3451456, 4314320, 5392900, 8628640, 10785800, 17257280, 21571600, 43143200, 86286400]

約数ペア:

[(1, 86286400), (2, 43143200), (4, 21571600), (5, 17257280), (8, 10785800), (10, 8628640), (16, 5392900), (20, 4314320), (25, 3451456), (32, 2696450), (40, 2157160), (50, 1725728), (64, 1348225), (80, 1078580), (100, 862864), (160, 539290), (199, 433600), (200, 431432), (271, 318400), (320, 269645), (398, 216800), (400, 215716), (542, 159200), (796, 108400), (800, 107858), (995, 86720), (1084, 79600), (1355, 63680), (1592, 54200), (1600, 53929), (1990, 43360), (2168, 39800), (2710, 31840), (3184, 27100), (3980, 21680), (4336, 19900), (4975, 17344), (5420, 15920), (6368, 13550), (6775, 12736), (7960, 10840), (8672, 9950)]