195407980

素因数分解:

$2^2\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{8747}}^1$

素因数の和:9873

約数の個数: 24

約数和(自身を含む): 410771088

約数和(自身を除く): 215363108

約数列:

[1, 2, 4, 5, 10, 20, 1117, 2234, 4468, 5585, 8747, 11170, 17494, 22340, 34988, 43735, 87470, 174940, 9770399, 19540798, 39081596, 48851995, 97703990, 195407980]

約数ペア:

[(1, 195407980), (2, 97703990), (4, 48851995), (5, 39081596), (10, 19540798), (20, 9770399), (1117, 174940), (2234, 87470), (4468, 43735), (5585, 34988), (8747, 22340), (11170, 17494)]