25643620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 56827008

約数和(自身を除く): 31183388

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 214, 230, 428, 460, 521, 535, 1042, 1070, 2084, 2140, 2461, 2605, 4922, 5210, 9844, 10420, 11983, 12305, 23966, 24610, 47932, 49220, 55747, 59915, 111494, 119830, 222988, 239660, 278735, 557470, 1114940, 1282181, 2564362, 5128724, 6410905, 12821810, 25643620]

約数ペア:

[(1, 25643620), (2, 12821810), (4, 6410905), (5, 5128724), (10, 2564362), (20, 1282181), (23, 1114940), (46, 557470), (92, 278735), (107, 239660), (115, 222988), (214, 119830), (230, 111494), (428, 59915), (460, 55747), (521, 49220), (535, 47932), (1042, 24610), (1070, 23966), (2084, 12305), (2140, 11983), (2461, 10420), (2605, 9844), (4922, 5210)]