63915560

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{9803}}^1$

素因数の和:9977

約数の個数: 32

約数和(自身を含む): 144707040

約数和(自身を除く): 80791480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 9803, 19606, 39212, 49015, 78424, 98030, 196060, 392120, 1597889, 3195778, 6391556, 7989445, 12783112, 15978890, 31957780, 63915560]

約数ペア:

[(1, 63915560), (2, 31957780), (4, 15978890), (5, 12783112), (8, 7989445), (10, 6391556), (20, 3195778), (40, 1597889), (163, 392120), (326, 196060), (652, 98030), (815, 78424), (1304, 49015), (1630, 39212), (3260, 19606), (6520, 9803)]