201641180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9817}}^1$

素因数の和:9918

約数の個数: 48

約数和(自身を含む): 461838720

約数和(自身を除く): 260197540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 9817, 10270, 19634, 20540, 39268, 49085, 98170, 127621, 196340, 255242, 510484, 638105, 775543, 1276210, 1551086, 2552420, 3102172, 3877715, 7755430, 10082059, 15510860, 20164118, 40328236, 50410295, 100820590, 201641180]

約数ペア:

[(1, 201641180), (2, 100820590), (4, 50410295), (5, 40328236), (10, 20164118), (13, 15510860), (20, 10082059), (26, 7755430), (52, 3877715), (65, 3102172), (79, 2552420), (130, 1551086), (158, 1276210), (260, 775543), (316, 638105), (395, 510484), (790, 255242), (1027, 196340), (1580, 127621), (2054, 98170), (4108, 49085), (5135, 39268), (9817, 20540), (10270, 19634)]