2007044920

素因数分解:

$2^3\times 5^1\times {\mathrm{4451}}^1\times {\mathrm{11273}}^1$

素因数の和:15735

約数の個数: 32

約数和(自身を含む): 4517266320

約数和(自身を除く): 2510221400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4451, 8902, 11273, 17804, 22255, 22546, 35608, 44510, 45092, 56365, 89020, 90184, 112730, 178040, 225460, 450920, 50176123, 100352246, 200704492, 250880615, 401408984, 501761230, 1003522460, 2007044920]

約数ペア:

[(1, 2007044920), (2, 1003522460), (4, 501761230), (5, 401408984), (8, 250880615), (10, 200704492), (20, 100352246), (40, 50176123), (4451, 450920), (8902, 225460), (11273, 178040), (17804, 112730), (22255, 90184), (22546, 89020), (35608, 56365), (44510, 45092)]