4222720

素因数分解:

$2^8\times 5^1\times {\mathrm{3299}}^1$

素因数の和:3320

約数の個数: 36

約数和(自身を含む): 10117800

約数和(自身を除く): 5895080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 3299, 6598, 13196, 16495, 26392, 32990, 52784, 65980, 105568, 131960, 211136, 263920, 422272, 527840, 844544, 1055680, 2111360, 4222720]

約数ペア:

[(1, 4222720), (2, 2111360), (4, 1055680), (5, 844544), (8, 527840), (10, 422272), (16, 263920), (20, 211136), (32, 131960), (40, 105568), (64, 65980), (80, 52784), (128, 32990), (160, 26392), (256, 16495), (320, 13196), (640, 6598), (1280, 3299)]