420092560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{607}}^1$

素因数の和:872

約数の個数: 80

約数和(自身を含む): 1006935552

約数和(自身を除く): 586842992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 211, 328, 410, 422, 607, 656, 820, 844, 1055, 1214, 1640, 1688, 2110, 2428, 3035, 3280, 3376, 4220, 4856, 6070, 8440, 8651, 9712, 12140, 16880, 17302, 24280, 24887, 34604, 43255, 48560, 49774, 69208, 86510, 99548, 124435, 128077, 138416, 173020, 199096, 248870, 256154, 346040, 398192, 497740, 512308, 640385, 692080, 995480, 1024616, 1280770, 1990960, 2049232, 2561540, 5123080, 5251157, 10246160, 10502314, 21004628, 26255785, 42009256, 52511570, 84018512, 105023140, 210046280, 420092560]

約数ペア:

[(1, 420092560), (2, 210046280), (4, 105023140), (5, 84018512), (8, 52511570), (10, 42009256), (16, 26255785), (20, 21004628), (40, 10502314), (41, 10246160), (80, 5251157), (82, 5123080), (164, 2561540), (205, 2049232), (211, 1990960), (328, 1280770), (410, 1024616), (422, 995480), (607, 692080), (656, 640385), (820, 512308), (844, 497740), (1055, 398192), (1214, 346040), (1640, 256154), (1688, 248870), (2110, 199096), (2428, 173020), (3035, 138416), (3280, 128077), (3376, 124435), (4220, 99548), (4856, 86510), (6070, 69208), (8440, 49774), (8651, 48560), (9712, 43255), (12140, 34604), (16880, 24887), (17302, 24280)]