285072640

素因数分解:

$2^8\times 5^1\times {\mathrm{222713}}^1$

素因数の和:222734

約数の個数: 36

約数和(自身を含む): 682841124

約数和(自身を除く): 397768484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 222713, 445426, 890852, 1113565, 1781704, 2227130, 3563408, 4454260, 7126816, 8908520, 14253632, 17817040, 28507264, 35634080, 57014528, 71268160, 142536320, 285072640]

約数ペア:

[(1, 285072640), (2, 142536320), (4, 71268160), (5, 57014528), (8, 35634080), (10, 28507264), (16, 17817040), (20, 14253632), (32, 8908520), (40, 7126816), (64, 4454260), (80, 3563408), (128, 2227130), (160, 1781704), (256, 1113565), (320, 890852), (640, 445426), (1280, 222713)]