64125725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 83506560

約数和(自身を除く): 19380835

約数列:

[1, 5, 23, 25, 115, 229, 487, 575, 1145, 2435, 5267, 5725, 11201, 12175, 26335, 56005, 111523, 131675, 280025, 557615, 2565029, 2788075, 12825145, 64125725]

約数ペア:

[(1, 64125725), (5, 12825145), (23, 2788075), (25, 2565029), (115, 557615), (229, 280025), (487, 131675), (575, 111523), (1145, 56005), (2435, 26335), (5267, 12175), (5725, 11201)]