392206720

素因数分解:

$2^7\times 5^1\times {\mathrm{612823}}^1$

素因数の和:612842

約数の個数: 32

約数和(自身を含む): 937620720

約数和(自身を除く): 545414000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 612823, 1225646, 2451292, 3064115, 4902584, 6128230, 9805168, 12256460, 19610336, 24512920, 39220672, 49025840, 78441344, 98051680, 196103360, 392206720]

約数ペア:

[(1, 392206720), (2, 196103360), (4, 98051680), (5, 78441344), (8, 49025840), (10, 39220672), (16, 24512920), (20, 19610336), (32, 12256460), (40, 9805168), (64, 6128230), (80, 4902584), (128, 3064115), (160, 2451292), (320, 1225646), (640, 612823)]