40736800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3917}}^1$

素因数の和:3950

約数の個数: 72

約数和(自身を含む): 107125956

約数和(自身を除く): 66389156

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 3917, 5200, 7834, 10400, 15668, 19585, 31336, 39170, 50921, 62672, 78340, 97925, 101842, 125344, 156680, 195850, 203684, 254605, 313360, 391700, 407368, 509210, 626720, 783400, 814736, 1018420, 1273025, 1566800, 1629472, 2036840, 2546050, 3133600, 4073680, 5092100, 8147360, 10184200, 20368400, 40736800]

約数ペア:

[(1, 40736800), (2, 20368400), (4, 10184200), (5, 8147360), (8, 5092100), (10, 4073680), (13, 3133600), (16, 2546050), (20, 2036840), (25, 1629472), (26, 1566800), (32, 1273025), (40, 1018420), (50, 814736), (52, 783400), (65, 626720), (80, 509210), (100, 407368), (104, 391700), (130, 313360), (160, 254605), (200, 203684), (208, 195850), (260, 156680), (325, 125344), (400, 101842), (416, 97925), (520, 78340), (650, 62672), (800, 50921), (1040, 39170), (1300, 31336), (2080, 19585), (2600, 15668), (3917, 10400), (5200, 7834)]