66398125

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 40

約数和(自身を含む): 89971200

約数和(自身を除く): 23573075

約数列:

[1, 5, 23, 25, 31, 115, 125, 149, 155, 575, 625, 713, 745, 775, 2875, 3427, 3565, 3725, 3875, 4619, 14375, 17135, 17825, 18625, 19375, 23095, 85675, 89125, 93125, 106237, 115475, 428375, 445625, 531185, 577375, 2141875, 2655925, 2886875, 13279625, 66398125]

約数ペア:

[(1, 66398125), (5, 13279625), (23, 2886875), (25, 2655925), (31, 2141875), (115, 577375), (125, 531185), (149, 445625), (155, 428375), (575, 115475), (625, 106237), (713, 93125), (745, 89125), (775, 85675), (2875, 23095), (3427, 19375), (3565, 18625), (3725, 17825), (3875, 17135), (4619, 14375)]