8909480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{617}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 21191220

約数和(自身を除く): 12281740

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 617, 722, 760, 1234, 1444, 1805, 2468, 2888, 3085, 3610, 4936, 6170, 7220, 11723, 12340, 14440, 23446, 24680, 46892, 58615, 93784, 117230, 222737, 234460, 445474, 468920, 890948, 1113685, 1781896, 2227370, 4454740, 8909480]

約数ペア:

[(1, 8909480), (2, 4454740), (4, 2227370), (5, 1781896), (8, 1113685), (10, 890948), (19, 468920), (20, 445474), (38, 234460), (40, 222737), (76, 117230), (95, 93784), (152, 58615), (190, 46892), (361, 24680), (380, 23446), (617, 14440), (722, 12340), (760, 11723), (1234, 7220), (1444, 6170), (1805, 4936), (2468, 3610), (2888, 3085)]