72421630

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{17707}}^1$

素因数の和:18123

約数の個数: 16

約数和(自身を含む): 130685040

約数和(自身を除く): 58263410

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 17707, 35414, 88535, 177070, 7242163, 14484326, 36210815, 72421630]

約数ペア:

[(1, 72421630), (2, 36210815), (5, 14484326), (10, 7242163), (409, 177070), (818, 88535), (2045, 35414), (4090, 17707)]