26998520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21773}}^1$

素因数の和:21815

約数の個数: 32

約数和(自身を含む): 62709120

約数和(自身を除く): 35710600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 21773, 43546, 87092, 108865, 174184, 217730, 435460, 674963, 870920, 1349926, 2699852, 3374815, 5399704, 6749630, 13499260, 26998520]

約数ペア:

[(1, 26998520), (2, 13499260), (4, 6749630), (5, 5399704), (8, 3374815), (10, 2699852), (20, 1349926), (31, 870920), (40, 674963), (62, 435460), (124, 217730), (155, 174184), (248, 108865), (310, 87092), (620, 43546), (1240, 21773)]