51152140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{196739}}^1$

素因数の和:196761

約数の個数: 24

約数和(自身を含む): 115683120

約数和(自身を除く): 64530980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 196739, 393478, 786956, 983695, 1967390, 2557607, 3934780, 5115214, 10230428, 12788035, 25576070, 51152140]

約数ペア:

[(1, 51152140), (2, 25576070), (4, 12788035), (5, 10230428), (10, 5115214), (13, 3934780), (20, 2557607), (26, 1967390), (52, 983695), (65, 786956), (130, 393478), (260, 196739)]