53204920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 123120000

約数和(自身を除く): 69915080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 113, 149, 158, 226, 298, 316, 395, 452, 565, 596, 632, 745, 790, 904, 1130, 1192, 1490, 1580, 2260, 2980, 3160, 4520, 5960, 8927, 11771, 16837, 17854, 23542, 33674, 35708, 44635, 47084, 58855, 67348, 71416, 84185, 89270, 94168, 117710, 134696, 168370, 178540, 235420, 336740, 357080, 470840, 673480, 1330123, 2660246, 5320492, 6650615, 10640984, 13301230, 26602460, 53204920]

約数ペア:

[(1, 53204920), (2, 26602460), (4, 13301230), (5, 10640984), (8, 6650615), (10, 5320492), (20, 2660246), (40, 1330123), (79, 673480), (113, 470840), (149, 357080), (158, 336740), (226, 235420), (298, 178540), (316, 168370), (395, 134696), (452, 117710), (565, 94168), (596, 89270), (632, 84185), (745, 71416), (790, 67348), (904, 58855), (1130, 47084), (1192, 44635), (1490, 35708), (1580, 33674), (2260, 23542), (2980, 17854), (3160, 16837), (4520, 11771), (5960, 8927)]