31984160

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15377}}^1$

素因数の和:15405

約数の個数: 48

約数和(自身を含む): 81380376

約数和(自身を除く): 49396216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 15377, 30754, 61508, 76885, 123016, 153770, 199901, 246032, 307540, 399802, 492064, 615080, 799604, 999505, 1230160, 1599208, 1999010, 2460320, 3198416, 3998020, 6396832, 7996040, 15992080, 31984160]

約数ペア:

[(1, 31984160), (2, 15992080), (4, 7996040), (5, 6396832), (8, 3998020), (10, 3198416), (13, 2460320), (16, 1999010), (20, 1599208), (26, 1230160), (32, 999505), (40, 799604), (52, 615080), (65, 492064), (80, 399802), (104, 307540), (130, 246032), (160, 199901), (208, 153770), (260, 123016), (416, 76885), (520, 61508), (1040, 30754), (2080, 15377)]