408022420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1569317}}^1$

素因数の和:1569339

約数の個数: 24

約数和(自身を含む): 922758984

約数和(自身を除く): 514736564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1569317, 3138634, 6277268, 7846585, 15693170, 20401121, 31386340, 40802242, 81604484, 102005605, 204011210, 408022420]

約数ペア:

[(1, 408022420), (2, 204011210), (4, 102005605), (5, 81604484), (10, 40802242), (13, 31386340), (20, 20401121), (26, 15693170), (52, 7846585), (65, 6277268), (130, 3138634), (260, 1569317)]