17621920

素因数分解:

$2^5\times 5^1\times {\mathrm{241}}^1\times {\mathrm{457}}^1$

素因数の和:713

約数の個数: 48

約数和(自身を含む): 41896008

約数和(自身を除く): 24274088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 241, 457, 482, 914, 964, 1205, 1828, 1928, 2285, 2410, 3656, 3856, 4570, 4820, 7312, 7712, 9140, 9640, 14624, 18280, 19280, 36560, 38560, 73120, 110137, 220274, 440548, 550685, 881096, 1101370, 1762192, 2202740, 3524384, 4405480, 8810960, 17621920]

約数ペア:

[(1, 17621920), (2, 8810960), (4, 4405480), (5, 3524384), (8, 2202740), (10, 1762192), (16, 1101370), (20, 881096), (32, 550685), (40, 440548), (80, 220274), (160, 110137), (241, 73120), (457, 38560), (482, 36560), (914, 19280), (964, 18280), (1205, 14624), (1828, 9640), (1928, 9140), (2285, 7712), (2410, 7312), (3656, 4820), (3856, 4570)]