64123750

素因数分解:

$2^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1258

約数の個数: 40

約数和(自身を含む): 123091848

約数和(自身を除く): 58968098

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 125, 215, 250, 430, 625, 1075, 1193, 1250, 2150, 2386, 5375, 5965, 10750, 11930, 26875, 29825, 51299, 53750, 59650, 102598, 149125, 256495, 298250, 512990, 745625, 1282475, 1491250, 2564950, 6412375, 12824750, 32061875, 64123750]

約数ペア:

[(1, 64123750), (2, 32061875), (5, 12824750), (10, 6412375), (25, 2564950), (43, 1491250), (50, 1282475), (86, 745625), (125, 512990), (215, 298250), (250, 256495), (430, 149125), (625, 102598), (1075, 59650), (1193, 53750), (1250, 51299), (2150, 29825), (2386, 26875), (5375, 11930), (5965, 10750)]