51887940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66523}}^1$

素因数の和:66548

約数の個数: 48

約数和(自身を含む): 156464448

約数和(自身を除く): 104576508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 66523, 133046, 199569, 266092, 332615, 399138, 665230, 798276, 864799, 997845, 1330460, 1729598, 1995690, 2594397, 3459196, 3991380, 4323995, 5188794, 8647990, 10377588, 12971985, 17295980, 25943970, 51887940]

約数ペア:

[(1, 51887940), (2, 25943970), (3, 17295980), (4, 12971985), (5, 10377588), (6, 8647990), (10, 5188794), (12, 4323995), (13, 3991380), (15, 3459196), (20, 2594397), (26, 1995690), (30, 1729598), (39, 1330460), (52, 997845), (60, 864799), (65, 798276), (78, 665230), (130, 399138), (156, 332615), (195, 266092), (260, 199569), (390, 133046), (780, 66523)]