1418240380

素因数分解:

$2^2\times 5^1\times {\mathrm{8821}}^1\times {\mathrm{8039}}^1$

素因数の和:16869

約数の個数: 24

約数和(自身を含む): 2979012960

約数和(自身を除く): 1560772580

約数列:

[1, 2, 4, 5, 10, 20, 8039, 8821, 16078, 17642, 32156, 35284, 40195, 44105, 80390, 88210, 160780, 176420, 70912019, 141824038, 283648076, 354560095, 709120190, 1418240380]

約数ペア:

[(1, 1418240380), (2, 709120190), (4, 354560095), (5, 283648076), (10, 141824038), (20, 70912019), (8039, 176420), (8821, 160780), (16078, 88210), (17642, 80390), (32156, 44105), (35284, 40195)]