201512440

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{22193}}^1$

素因数の和:22431

約数の個数: 32

約数和(自身を含む): 455420880

約数和(自身を除く): 253908440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 9080, 22193, 44386, 88772, 110965, 177544, 221930, 443860, 887720, 5037811, 10075622, 20151244, 25189055, 40302488, 50378110, 100756220, 201512440]

約数ペア:

[(1, 201512440), (2, 100756220), (4, 50378110), (5, 40302488), (8, 25189055), (10, 20151244), (20, 10075622), (40, 5037811), (227, 887720), (454, 443860), (908, 221930), (1135, 177544), (1816, 110965), (2270, 88772), (4540, 44386), (9080, 22193)]