131959360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31721}}^1$

素因数の和:31751

約数の個数: 56

約数和(自身を含む): 338410296

約数和(自身を除く): 206450936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 31721, 63442, 126884, 158605, 253768, 317210, 412373, 507536, 634420, 824746, 1015072, 1268840, 1649492, 2030144, 2061865, 2537680, 3298984, 4123730, 5075360, 6597968, 8247460, 10150720, 13195936, 16494920, 26391872, 32989840, 65979680, 131959360]

約数ペア:

[(1, 131959360), (2, 65979680), (4, 32989840), (5, 26391872), (8, 16494920), (10, 13195936), (13, 10150720), (16, 8247460), (20, 6597968), (26, 5075360), (32, 4123730), (40, 3298984), (52, 2537680), (64, 2061865), (65, 2030144), (80, 1649492), (104, 1268840), (130, 1015072), (160, 824746), (208, 634420), (260, 507536), (320, 412373), (416, 317210), (520, 253768), (832, 158605), (1040, 126884), (2080, 63442), (4160, 31721)]