26515480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10867}}^1$

素因数の和:10939

約数の個数: 32

約数和(自身を含む): 60643440

約数和(自身を除く): 34127960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 10867, 21734, 43468, 54335, 86936, 108670, 217340, 434680, 662887, 1325774, 2651548, 3314435, 5303096, 6628870, 13257740, 26515480]

約数ペア:

[(1, 26515480), (2, 13257740), (4, 6628870), (5, 5303096), (8, 3314435), (10, 2651548), (20, 1325774), (40, 662887), (61, 434680), (122, 217340), (244, 108670), (305, 86936), (488, 54335), (610, 43468), (1220, 21734), (2440, 10867)]