254484640

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{19163}}^1$

素因数の和:19261

約数の個数: 48

約数和(自身を含む): 608495328

約数和(自身を除く): 354010688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 6640, 13280, 19163, 38326, 76652, 95815, 153304, 191630, 306608, 383260, 613216, 766520, 1533040, 1590529, 3066080, 3181058, 6362116, 7952645, 12724232, 15905290, 25448464, 31810580, 50896928, 63621160, 127242320, 254484640]

約数ペア:

[(1, 254484640), (2, 127242320), (4, 63621160), (5, 50896928), (8, 31810580), (10, 25448464), (16, 15905290), (20, 12724232), (32, 7952645), (40, 6362116), (80, 3181058), (83, 3066080), (160, 1590529), (166, 1533040), (332, 766520), (415, 613216), (664, 383260), (830, 306608), (1328, 191630), (1660, 153304), (2656, 95815), (3320, 76652), (6640, 38326), (13280, 19163)]