258819160

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{10487}}^1$

素因数の和:11115

約数の個数: 32

約数和(自身を含む): 583342560

約数和(自身を除く): 324523400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 2468, 3085, 4936, 6170, 10487, 12340, 20974, 24680, 41948, 52435, 83896, 104870, 209740, 419480, 6470479, 12940958, 25881916, 32352395, 51763832, 64704790, 129409580, 258819160]

約数ペア:

[(1, 258819160), (2, 129409580), (4, 64704790), (5, 51763832), (8, 32352395), (10, 25881916), (20, 12940958), (40, 6470479), (617, 419480), (1234, 209740), (2468, 104870), (3085, 83896), (4936, 52435), (6170, 41948), (10487, 24680), (12340, 20974)]