1555422640

素因数分解:

$2^4\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{9343}}^1$

素因数の和:11437

約数の個数: 40

約数和(自身を含む): 3618482688

約数和(自身を除く): 2063060048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2081, 4162, 8324, 9343, 10405, 16648, 18686, 20810, 33296, 37372, 41620, 46715, 74744, 83240, 93430, 149488, 166480, 186860, 373720, 747440, 19442783, 38885566, 77771132, 97213915, 155542264, 194427830, 311084528, 388855660, 777711320, 1555422640]

約数ペア:

[(1, 1555422640), (2, 777711320), (4, 388855660), (5, 311084528), (8, 194427830), (10, 155542264), (16, 97213915), (20, 77771132), (40, 38885566), (80, 19442783), (2081, 747440), (4162, 373720), (8324, 186860), (9343, 166480), (10405, 149488), (16648, 93430), (18686, 83240), (20810, 74744), (33296, 46715), (37372, 41620)]