38665220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{971}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 89159616

約数和(自身を除く): 50494396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 971, 1810, 1942, 1991, 3620, 3884, 3982, 4855, 7964, 9710, 9955, 10681, 19420, 19910, 21362, 39820, 42724, 53405, 106810, 175751, 213620, 351502, 703004, 878755, 1757510, 1933261, 3515020, 3866522, 7733044, 9666305, 19332610, 38665220]

約数ペア:

[(1, 38665220), (2, 19332610), (4, 9666305), (5, 7733044), (10, 3866522), (11, 3515020), (20, 1933261), (22, 1757510), (44, 878755), (55, 703004), (110, 351502), (181, 213620), (220, 175751), (362, 106810), (724, 53405), (905, 42724), (971, 39820), (1810, 21362), (1942, 19910), (1991, 19420), (3620, 10681), (3884, 9955), (3982, 9710), (4855, 7964)]