64941250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{4723}}^1$

素因数の和:4756

約数の個数: 40

約数和(自身を含む): 132819984

約数和(自身を除く): 67878734

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 625, 1250, 1375, 2750, 4723, 6875, 9446, 13750, 23615, 47230, 51953, 103906, 118075, 236150, 259765, 519530, 590375, 1180750, 1298825, 2597650, 2951875, 5903750, 6494125, 12988250, 32470625, 64941250]

約数ペア:

[(1, 64941250), (2, 32470625), (5, 12988250), (10, 6494125), (11, 5903750), (22, 2951875), (25, 2597650), (50, 1298825), (55, 1180750), (110, 590375), (125, 519530), (250, 259765), (275, 236150), (550, 118075), (625, 103906), (1250, 51953), (1375, 47230), (2750, 23615), (4723, 13750), (6875, 9446)]