79420120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{937}}^1$

素因数の和:1124

約数の個数: 64

約数和(自身を含む): 193828320

約数和(自身を除く): 114408200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 163, 260, 326, 520, 652, 815, 937, 1304, 1630, 1874, 2119, 3260, 3748, 4238, 4685, 6520, 7496, 8476, 9370, 10595, 12181, 16952, 18740, 21190, 24362, 37480, 42380, 48724, 60905, 84760, 97448, 121810, 152731, 243620, 305462, 487240, 610924, 763655, 1221848, 1527310, 1985503, 3054620, 3971006, 6109240, 7942012, 9927515, 15884024, 19855030, 39710060, 79420120]

約数ペア:

[(1, 79420120), (2, 39710060), (4, 19855030), (5, 15884024), (8, 9927515), (10, 7942012), (13, 6109240), (20, 3971006), (26, 3054620), (40, 1985503), (52, 1527310), (65, 1221848), (104, 763655), (130, 610924), (163, 487240), (260, 305462), (326, 243620), (520, 152731), (652, 121810), (815, 97448), (937, 84760), (1304, 60905), (1630, 48724), (1874, 42380), (2119, 37480), (3260, 24362), (3748, 21190), (4238, 18740), (4685, 16952), (6520, 12181), (7496, 10595), (8476, 9370)]