87195320

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 200931840

約数和(自身を除く): 113736520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 113, 191, 202, 226, 382, 404, 452, 505, 565, 764, 808, 904, 955, 1010, 1130, 1528, 1910, 2020, 2260, 3820, 4040, 4520, 7640, 11413, 19291, 21583, 22826, 38582, 43166, 45652, 57065, 77164, 86332, 91304, 96455, 107915, 114130, 154328, 172664, 192910, 215830, 228260, 385820, 431660, 456520, 771640, 863320, 2179883, 4359766, 8719532, 10899415, 17439064, 21798830, 43597660, 87195320]

約数ペア:

[(1, 87195320), (2, 43597660), (4, 21798830), (5, 17439064), (8, 10899415), (10, 8719532), (20, 4359766), (40, 2179883), (101, 863320), (113, 771640), (191, 456520), (202, 431660), (226, 385820), (382, 228260), (404, 215830), (452, 192910), (505, 172664), (565, 154328), (764, 114130), (808, 107915), (904, 96455), (955, 91304), (1010, 86332), (1130, 77164), (1528, 57065), (1910, 45652), (2020, 43166), (2260, 38582), (3820, 22826), (4040, 21583), (4520, 19291), (7640, 11413)]