40000740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51283}}^1$

素因数の和:51308

約数の個数: 48

約数和(自身を含む): 120619968

約数和(自身を除く): 80619228

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, 51283, 102566, 153849, 205132, 256415, 307698, 512830, 615396, 666679, 769245, 1025660, 1333358, 1538490, 2000037, 2666716, 3076980, 3333395, 4000074, 6666790, 8000148, 10000185, 13333580, 20000370, 40000740]

約数ペア:

[(1, 40000740), (2, 20000370), (3, 13333580), (4, 10000185), (5, 8000148), (6, 6666790), (10, 4000074), (12, 3333395), (13, 3076980), (15, 2666716), (20, 2000037), (26, 1538490), (30, 1333358), (39, 1025660), (52, 769245), (60, 666679), (65, 615396), (78, 512830), (130, 307698), (156, 256415), (195, 205132), (260, 153849), (390, 102566), (780, 51283)]