1566542720

素因数分解:

$2^7\times 5^1\times {\mathrm{2447723}}^1$

素因数の和:2447742

約数の個数: 32

約数和(自身を含む): 3745017720

約数和(自身を除く): 2178475000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2447723, 4895446, 9790892, 12238615, 19581784, 24477230, 39163568, 48954460, 78327136, 97908920, 156654272, 195817840, 313308544, 391635680, 783271360, 1566542720]

約数ペア:

[(1, 1566542720), (2, 783271360), (4, 391635680), (5, 313308544), (8, 195817840), (10, 156654272), (16, 97908920), (20, 78327136), (32, 48954460), (40, 39163568), (64, 24477230), (80, 19581784), (128, 12238615), (160, 9790892), (320, 4895446), (640, 2447723)]