428438720

素因数分解:

$2^6\times 5^1\times {\mathrm{1338871}}^1$

素因数の和:1338888

約数の個数: 28

約数和(自身を含む): 1020220464

約数和(自身を除く): 591781744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1338871, 2677742, 5355484, 6694355, 10710968, 13388710, 21421936, 26777420, 42843872, 53554840, 85687744, 107109680, 214219360, 428438720]

約数ペア:

[(1, 428438720), (2, 214219360), (4, 107109680), (5, 85687744), (8, 53554840), (10, 42843872), (16, 26777420), (20, 21421936), (32, 13388710), (40, 10710968), (64, 6694355), (80, 5355484), (160, 2677742), (320, 1338871)]