25389430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{20983}}^1$

素因数の和:21012

約数の個数: 24

約数和(自身を含む): 50235696

約数和(自身を除く): 24846266

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 20983, 41966, 104915, 209830, 230813, 461626, 1154065, 2308130, 2538943, 5077886, 12694715, 25389430]

約数ペア:

[(1, 25389430), (2, 12694715), (5, 5077886), (10, 2538943), (11, 2308130), (22, 1154065), (55, 461626), (110, 230813), (121, 209830), (242, 104915), (605, 41966), (1210, 20983)]