20187815050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{67961}}^1$

素因数の和:68443

約数の個数: 48

約数和(自身を含む): 40526827992

約数和(自身を除く): 20339012942

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 457, 650, 914, 2285, 4570, 5941, 11425, 11882, 22850, 29705, 59410, 67961, 135922, 148525, 297050, 339805, 679610, 883493, 1699025, 1766986, 3398050, 4417465, 8834930, 22087325, 31058177, 44174650, 62116354, 155290885, 310581770, 403756301, 776454425, 807512602, 1552908850, 2018781505, 4037563010, 10093907525, 20187815050]

約数ペア:

[(1, 20187815050), (2, 10093907525), (5, 4037563010), (10, 2018781505), (13, 1552908850), (25, 807512602), (26, 776454425), (50, 403756301), (65, 310581770), (130, 155290885), (325, 62116354), (457, 44174650), (650, 31058177), (914, 22087325), (2285, 8834930), (4570, 4417465), (5941, 3398050), (11425, 1766986), (11882, 1699025), (22850, 883493), (29705, 679610), (59410, 339805), (67961, 297050), (135922, 148525)]