63782420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245317}}^1$

素因数の和:245339

約数の個数: 24

約数和(自身を含む): 144246984

約数和(自身を除く): 80464564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 245317, 490634, 981268, 1226585, 2453170, 3189121, 4906340, 6378242, 12756484, 15945605, 31891210, 63782420]

約数ペア:

[(1, 63782420), (2, 31891210), (4, 15945605), (5, 12756484), (10, 6378242), (13, 4906340), (20, 3189121), (26, 2453170), (52, 1226585), (65, 981268), (130, 490634), (260, 245317)]