2017883125

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{677}}^1$

素因数の和:967

約数の個数: 40

約数和(自身を含む): 2668770720

約数和(自身を除く): 650887595

約数列:

[1, 5, 19, 25, 95, 125, 251, 475, 625, 677, 1255, 2375, 3385, 4769, 6275, 11875, 12863, 16925, 23845, 31375, 64315, 84625, 119225, 156875, 169927, 321575, 423125, 596125, 849635, 1607875, 2980625, 3228613, 4248175, 8039375, 16143065, 21240875, 80715325, 106204375, 403576625, 2017883125]

約数ペア:

[(1, 2017883125), (5, 403576625), (19, 106204375), (25, 80715325), (95, 21240875), (125, 16143065), (251, 8039375), (475, 4248175), (625, 3228613), (677, 2980625), (1255, 1607875), (2375, 849635), (3385, 596125), (4769, 423125), (6275, 321575), (11875, 169927), (12863, 156875), (16925, 119225), (23845, 84625), (31375, 64315)]