85131890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2719}}^1$

素因数の和:2858

約数の個数: 32

約数和(自身を含む): 159805440

約数和(自身を除く): 74673550

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 505, 1010, 2719, 3131, 5438, 6262, 13595, 15655, 27190, 31310, 84289, 168578, 274619, 421445, 549238, 842890, 1373095, 2746190, 8513189, 17026378, 42565945, 85131890]

約数ペア:

[(1, 85131890), (2, 42565945), (5, 17026378), (10, 8513189), (31, 2746190), (62, 1373095), (101, 842890), (155, 549238), (202, 421445), (310, 274619), (505, 168578), (1010, 84289), (2719, 31310), (3131, 27190), (5438, 15655), (6262, 13595)]