78982480

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8737}}^1$

素因数の和:8863

約数の個数: 40

約数和(自身を含む): 185280552

約数和(自身を除く): 106298072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 8737, 9040, 17474, 34948, 43685, 69896, 87370, 139792, 174740, 349480, 698960, 987281, 1974562, 3949124, 4936405, 7898248, 9872810, 15796496, 19745620, 39491240, 78982480]

約数ペア:

[(1, 78982480), (2, 39491240), (4, 19745620), (5, 15796496), (8, 9872810), (10, 7898248), (16, 4936405), (20, 3949124), (40, 1974562), (80, 987281), (113, 698960), (226, 349480), (452, 174740), (565, 139792), (904, 87370), (1130, 69896), (1808, 43685), (2260, 34948), (4520, 17474), (8737, 9040)]