12751600

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:538

約数の個数: 60

約数和(自身を含む): 31136400

約数和(自身を除く): 18384800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 449, 568, 710, 898, 1136, 1420, 1775, 1796, 2245, 2840, 3550, 3592, 4490, 5680, 7100, 7184, 8980, 11225, 14200, 17960, 22450, 28400, 31879, 35920, 44900, 63758, 89800, 127516, 159395, 179600, 255032, 318790, 510064, 637580, 796975, 1275160, 1593950, 2550320, 3187900, 6375800, 12751600]

約数ペア:

[(1, 12751600), (2, 6375800), (4, 3187900), (5, 2550320), (8, 1593950), (10, 1275160), (16, 796975), (20, 637580), (25, 510064), (40, 318790), (50, 255032), (71, 179600), (80, 159395), (100, 127516), (142, 89800), (200, 63758), (284, 44900), (355, 35920), (400, 31879), (449, 28400), (568, 22450), (710, 17960), (898, 14200), (1136, 11225), (1420, 8980), (1775, 7184), (1796, 7100), (2245, 5680), (2840, 4490), (3550, 3592)]