61794220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{50651}}^1$

素因数の和:50721

約数の個数: 24

約数和(自身を含む): 131897808

約数和(自身を除く): 70103588

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 50651, 101302, 202604, 253255, 506510, 1013020, 3089711, 6179422, 12358844, 15448555, 30897110, 61794220]

約数ペア:

[(1, 61794220), (2, 30897110), (4, 15448555), (5, 12358844), (10, 6179422), (20, 3089711), (61, 1013020), (122, 506510), (244, 253255), (305, 202604), (610, 101302), (1220, 50651)]