4042240

素因数分解:

$2^9\times 5^1\times {\mathrm{1579}}^1$

素因数の和:1602

約数の個数: 40

約数和(自身を含む): 9698040

約数和(自身を除く): 5655800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 1579, 2560, 3158, 6316, 7895, 12632, 15790, 25264, 31580, 50528, 63160, 101056, 126320, 202112, 252640, 404224, 505280, 808448, 1010560, 2021120, 4042240]

約数ペア:

[(1, 4042240), (2, 2021120), (4, 1010560), (5, 808448), (8, 505280), (10, 404224), (16, 252640), (20, 202112), (32, 126320), (40, 101056), (64, 63160), (80, 50528), (128, 31580), (160, 25264), (256, 15790), (320, 12632), (512, 7895), (640, 6316), (1280, 3158), (1579, 2560)]