31047880

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6869}}^1$

素因数の和:6993

約数の個数: 32

約数和(自身を含む): 70486200

約数和(自身を除く): 39438320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6869, 13738, 27476, 34345, 54952, 68690, 137380, 274760, 776197, 1552394, 3104788, 3880985, 6209576, 7761970, 15523940, 31047880]

約数ペア:

[(1, 31047880), (2, 15523940), (4, 7761970), (5, 6209576), (8, 3880985), (10, 3104788), (20, 1552394), (40, 776197), (113, 274760), (226, 137380), (452, 68690), (565, 54952), (904, 34345), (1130, 27476), (2260, 13738), (4520, 6869)]