12742880

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1091}}^1$

素因数の和:1179

約数の個数: 48

約数和(自身を含む): 30545424

約数和(自身を除く): 17802544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1091, 1168, 1460, 2182, 2336, 2920, 4364, 5455, 5840, 8728, 10910, 11680, 17456, 21820, 34912, 43640, 79643, 87280, 159286, 174560, 318572, 398215, 637144, 796430, 1274288, 1592860, 2548576, 3185720, 6371440, 12742880]

約数ペア:

[(1, 12742880), (2, 6371440), (4, 3185720), (5, 2548576), (8, 1592860), (10, 1274288), (16, 796430), (20, 637144), (32, 398215), (40, 318572), (73, 174560), (80, 159286), (146, 87280), (160, 79643), (292, 43640), (365, 34912), (584, 21820), (730, 17456), (1091, 11680), (1168, 10910), (1460, 8728), (2182, 5840), (2336, 5455), (2920, 4364)]