16052500

素因数分解:

$2^2\times 5^4\times {\mathrm{6421}}^1$

素因数の和:6445

約数の個数: 30

約数和(自身を含む): 35109074

約数和(自身を除く): 19056574

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 6421, 12842, 25684, 32105, 64210, 128420, 160525, 321050, 642100, 802625, 1605250, 3210500, 4013125, 8026250, 16052500]

約数ペア:

[(1, 16052500), (2, 8026250), (4, 4013125), (5, 3210500), (10, 1605250), (20, 802625), (25, 642100), (50, 321050), (100, 160525), (125, 128420), (250, 64210), (500, 32105), (625, 25684), (1250, 12842), (2500, 6421)]