25786280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2917}}^1$

素因数の和:2958

約数の個数: 64

約数和(自身を含む): 66180240

約数和(自身を除く): 40393960

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 2917, 4420, 5834, 8840, 11668, 14585, 23336, 29170, 37921, 49589, 58340, 75842, 99178, 116680, 151684, 189605, 198356, 247945, 303368, 379210, 396712, 495890, 644657, 758420, 991780, 1289314, 1516840, 1983560, 2578628, 3223285, 5157256, 6446570, 12893140, 25786280]

約数ペア:

[(1, 25786280), (2, 12893140), (4, 6446570), (5, 5157256), (8, 3223285), (10, 2578628), (13, 1983560), (17, 1516840), (20, 1289314), (26, 991780), (34, 758420), (40, 644657), (52, 495890), (65, 396712), (68, 379210), (85, 303368), (104, 247945), (130, 198356), (136, 189605), (170, 151684), (221, 116680), (260, 99178), (340, 75842), (442, 58340), (520, 49589), (680, 37921), (884, 29170), (1105, 23336), (1768, 14585), (2210, 11668), (2917, 8840), (4420, 5834)]