11831920

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1129}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 27743760

約数和(自身を除く): 15911840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1129, 1310, 2096, 2258, 2620, 4516, 5240, 5645, 9032, 10480, 11290, 18064, 22580, 45160, 90320, 147899, 295798, 591596, 739495, 1183192, 1478990, 2366384, 2957980, 5915960, 11831920]

約数ペア:

[(1, 11831920), (2, 5915960), (4, 2957980), (5, 2366384), (8, 1478990), (10, 1183192), (16, 739495), (20, 591596), (40, 295798), (80, 147899), (131, 90320), (262, 45160), (524, 22580), (655, 18064), (1048, 11290), (1129, 10480), (1310, 9032), (2096, 5645), (2258, 5240), (2620, 4516)]