22416875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 40

約数和(自身を含む): 31489920

約数和(自身を除く): 9073045

約数列:

[1, 5, 13, 25, 31, 65, 89, 125, 155, 325, 403, 445, 625, 775, 1157, 1625, 2015, 2225, 2759, 3875, 5785, 8125, 10075, 11125, 13795, 19375, 28925, 35867, 50375, 55625, 68975, 144625, 179335, 251875, 344875, 723125, 896675, 1724375, 4483375, 22416875]

約数ペア:

[(1, 22416875), (5, 4483375), (13, 1724375), (25, 896675), (31, 723125), (65, 344875), (89, 251875), (125, 179335), (155, 144625), (325, 68975), (403, 55625), (445, 50375), (625, 35867), (775, 28925), (1157, 19375), (1625, 13795), (2015, 11125), (2225, 10075), (2759, 8125), (3875, 5785)]