61268440

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{9397}}^1$

素因数の和:9571

約数の個数: 32

約数和(自身を含む): 138714480

約数和(自身を除く): 77446040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 9397, 18794, 37588, 46985, 75176, 93970, 187940, 375880, 1531711, 3063422, 6126844, 7658555, 12253688, 15317110, 30634220, 61268440]

約数ペア:

[(1, 61268440), (2, 30634220), (4, 15317110), (5, 12253688), (8, 7658555), (10, 6126844), (20, 3063422), (40, 1531711), (163, 375880), (326, 187940), (652, 93970), (815, 75176), (1304, 46985), (1630, 37588), (3260, 18794), (6520, 9397)]