919960840

素因数分解:

$2^3\times 5^1\times {\mathrm{22999021}}^1$

素因数の和:22999032

約数の個数: 16

約数和(自身を含む): 2069911980

約数和(自身を除く): 1149951140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 22999021, 45998042, 91996084, 114995105, 183992168, 229990210, 459980420, 919960840]

約数ペア:

[(1, 919960840), (2, 459980420), (4, 229990210), (5, 183992168), (8, 114995105), (10, 91996084), (20, 45998042), (40, 22999021)]