20131130480

素因数分解:

$2^4\times 5^1\times {\mathrm{617}}^1\times {\mathrm{407843}}^1$

素因数の和:408473

約数の個数: 40

約数和(自身を含む): 46880852112

約数和(自身を除く): 26749721632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 617, 1234, 2468, 3085, 4936, 6170, 9872, 12340, 24680, 49360, 407843, 815686, 1631372, 2039215, 3262744, 4078430, 6525488, 8156860, 16313720, 32627440, 251639131, 503278262, 1006556524, 1258195655, 2013113048, 2516391310, 4026226096, 5032782620, 10065565240, 20131130480]

約数ペア:

[(1, 20131130480), (2, 10065565240), (4, 5032782620), (5, 4026226096), (8, 2516391310), (10, 2013113048), (16, 1258195655), (20, 1006556524), (40, 503278262), (80, 251639131), (617, 32627440), (1234, 16313720), (2468, 8156860), (3085, 6525488), (4936, 4078430), (6170, 3262744), (9872, 2039215), (12340, 1631372), (24680, 815686), (49360, 407843)]