12855680

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 31395600

約数和(自身を除く): 18539920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 379, 424, 530, 640, 758, 848, 1060, 1516, 1696, 1895, 2120, 3032, 3392, 3790, 4240, 6064, 6784, 7580, 8480, 12128, 15160, 16960, 20087, 24256, 30320, 33920, 40174, 48512, 60640, 80348, 100435, 121280, 160696, 200870, 242560, 321392, 401740, 642784, 803480, 1285568, 1606960, 2571136, 3213920, 6427840, 12855680]

約数ペア:

[(1, 12855680), (2, 6427840), (4, 3213920), (5, 2571136), (8, 1606960), (10, 1285568), (16, 803480), (20, 642784), (32, 401740), (40, 321392), (53, 242560), (64, 200870), (80, 160696), (106, 121280), (128, 100435), (160, 80348), (212, 60640), (265, 48512), (320, 40174), (379, 33920), (424, 30320), (530, 24256), (640, 20087), (758, 16960), (848, 15160), (1060, 12128), (1516, 8480), (1696, 7580), (1895, 6784), (2120, 6064), (3032, 4240), (3392, 3790)]