1313588840

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{290617}}^1$

素因数の和:290741

約数の個数: 32

約数和(自身を含む): 2981740680

約数和(自身を除く): 1668151840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 290617, 581234, 1162468, 1453085, 2324936, 2906170, 5812340, 11624680, 32839721, 65679442, 131358884, 164198605, 262717768, 328397210, 656794420, 1313588840]

約数ペア:

[(1, 1313588840), (2, 656794420), (4, 328397210), (5, 262717768), (8, 164198605), (10, 131358884), (20, 65679442), (40, 32839721), (113, 11624680), (226, 5812340), (452, 2906170), (565, 2324936), (904, 1453085), (1130, 1162468), (2260, 581234), (4520, 290617)]