64656800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6217}}^1$

素因数の和:6250

約数の個数: 72

約数和(自身を含む): 170012556

約数和(自身を除く): 105355756

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, 5200, 6217, 10400, 12434, 24868, 31085, 49736, 62170, 80821, 99472, 124340, 155425, 161642, 198944, 248680, 310850, 323284, 404105, 497360, 621700, 646568, 808210, 994720, 1243400, 1293136, 1616420, 2020525, 2486800, 2586272, 3232840, 4041050, 4973600, 6465680, 8082100, 12931360, 16164200, 32328400, 64656800]

約数ペア:

[(1, 64656800), (2, 32328400), (4, 16164200), (5, 12931360), (8, 8082100), (10, 6465680), (13, 4973600), (16, 4041050), (20, 3232840), (25, 2586272), (26, 2486800), (32, 2020525), (40, 1616420), (50, 1293136), (52, 1243400), (65, 994720), (80, 808210), (100, 646568), (104, 621700), (130, 497360), (160, 404105), (200, 323284), (208, 310850), (260, 248680), (325, 198944), (400, 161642), (416, 155425), (520, 124340), (650, 99472), (800, 80821), (1040, 62170), (1300, 49736), (2080, 31085), (2600, 24868), (5200, 12434), (6217, 10400)]