67980250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{1609}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 137886840

約数和(自身を除く): 69906590

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 650, 845, 1609, 1625, 1690, 3218, 3250, 4225, 8045, 8450, 16090, 20917, 21125, 40225, 41834, 42250, 80450, 104585, 201125, 209170, 271921, 402250, 522925, 543842, 1045850, 1359605, 2614625, 2719210, 5229250, 6798025, 13596050, 33990125, 67980250]

約数ペア:

[(1, 67980250), (2, 33990125), (5, 13596050), (10, 6798025), (13, 5229250), (25, 2719210), (26, 2614625), (50, 1359605), (65, 1045850), (125, 543842), (130, 522925), (169, 402250), (250, 271921), (325, 209170), (338, 201125), (650, 104585), (845, 80450), (1609, 42250), (1625, 41834), (1690, 40225), (3218, 21125), (3250, 20917), (4225, 16090), (8045, 8450)]