45287720

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{2011}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 102129120

約数和(自身を除く): 56841400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2011, 2252, 2815, 4022, 4504, 5630, 8044, 10055, 11260, 16088, 20110, 22520, 40220, 80440, 1132193, 2264386, 4528772, 5660965, 9057544, 11321930, 22643860, 45287720]

約数ペア:

[(1, 45287720), (2, 22643860), (4, 11321930), (5, 9057544), (8, 5660965), (10, 4528772), (20, 2264386), (40, 1132193), (563, 80440), (1126, 40220), (2011, 22520), (2252, 20110), (2815, 16088), (4022, 11260), (4504, 10055), (5630, 8044)]