20131193480

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{620567}}^1$

素因数の和:621389

約数の個数: 32

約数和(自身を含む): 45351109440

約数和(自身を除く): 25219915960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 3244, 4055, 6488, 8110, 16220, 32440, 620567, 1241134, 2482268, 3102835, 4964536, 6205670, 12411340, 24822680, 503279837, 1006559674, 2013119348, 2516399185, 4026238696, 5032798370, 10065596740, 20131193480]

約数ペア:

[(1, 20131193480), (2, 10065596740), (4, 5032798370), (5, 4026238696), (8, 2516399185), (10, 2013119348), (20, 1006559674), (40, 503279837), (811, 24822680), (1622, 12411340), (3244, 6205670), (4055, 4964536), (6488, 3102835), (8110, 2482268), (16220, 1241134), (32440, 620567)]