51581920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24799}}^1$

素因数の和:24827

約数の個数: 48

約数和(自身を含む): 131241600

約数和(自身を除く): 79659680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 24799, 49598, 99196, 123995, 198392, 247990, 322387, 396784, 495980, 644774, 793568, 991960, 1289548, 1611935, 1983920, 2579096, 3223870, 3967840, 5158192, 6447740, 10316384, 12895480, 25790960, 51581920]

約数ペア:

[(1, 51581920), (2, 25790960), (4, 12895480), (5, 10316384), (8, 6447740), (10, 5158192), (13, 3967840), (16, 3223870), (20, 2579096), (26, 1983920), (32, 1611935), (40, 1289548), (52, 991960), (65, 793568), (80, 644774), (104, 495980), (130, 396784), (160, 322387), (208, 247990), (260, 198392), (416, 123995), (520, 99196), (1040, 49598), (2080, 24799)]