12540640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11197}}^1$

素因数の和:11219

約数の個数: 48

約数和(自身を含む): 33862752

約数和(自身を除く): 21322112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 11197, 22394, 44788, 55985, 78379, 89576, 111970, 156758, 179152, 223940, 313516, 358304, 391895, 447880, 627032, 783790, 895760, 1254064, 1567580, 1791520, 2508128, 3135160, 6270320, 12540640]

約数ペア:

[(1, 12540640), (2, 6270320), (4, 3135160), (5, 2508128), (7, 1791520), (8, 1567580), (10, 1254064), (14, 895760), (16, 783790), (20, 627032), (28, 447880), (32, 391895), (35, 358304), (40, 313516), (56, 223940), (70, 179152), (80, 156758), (112, 111970), (140, 89576), (160, 78379), (224, 55985), (280, 44788), (560, 22394), (1120, 11197)]