81844640

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{6163}}^1$

素因数の和:6261

約数の個数: 48

約数和(自身を含む): 195719328

約数和(自身を除く): 113874688

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, 6163, 6640, 12326, 13280, 24652, 30815, 49304, 61630, 98608, 123260, 197216, 246520, 493040, 511529, 986080, 1023058, 2046116, 2557645, 4092232, 5115290, 8184464, 10230580, 16368928, 20461160, 40922320, 81844640]

約数ペア:

[(1, 81844640), (2, 40922320), (4, 20461160), (5, 16368928), (8, 10230580), (10, 8184464), (16, 5115290), (20, 4092232), (32, 2557645), (40, 2046116), (80, 1023058), (83, 986080), (160, 511529), (166, 493040), (332, 246520), (415, 197216), (664, 123260), (830, 98608), (1328, 61630), (1660, 49304), (2656, 30815), (3320, 24652), (6163, 13280), (6640, 12326)]