64260275

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:212

約数の個数: 36

約数和(自身を含む): 85989288

約数和(自身を除く): 21729013

約数列:

[1, 5, 23, 25, 43, 113, 115, 215, 529, 565, 575, 989, 1075, 2599, 2645, 2825, 4859, 4945, 12995, 13225, 22747, 24295, 24725, 59777, 64975, 111757, 113735, 121475, 298885, 558785, 568675, 1494425, 2570411, 2793925, 12852055, 64260275]

約数ペア:

[(1, 64260275), (5, 12852055), (23, 2793925), (25, 2570411), (43, 1494425), (113, 568675), (115, 558785), (215, 298885), (529, 121475), (565, 113735), (575, 111757), (989, 64975), (1075, 59777), (2599, 24725), (2645, 24295), (2825, 22747), (4859, 13225), (4945, 12995)]