12542075

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 19790400

約数和(自身を除く): 7248325

約数列:

[1, 5, 7, 13, 25, 35, 37, 65, 91, 149, 175, 185, 259, 325, 455, 481, 745, 925, 1043, 1295, 1937, 2275, 2405, 3367, 3725, 5215, 5513, 6475, 9685, 12025, 13559, 16835, 26075, 27565, 38591, 48425, 67795, 71669, 84175, 137825, 192955, 338975, 358345, 501683, 964775, 1791725, 2508415, 12542075]

約数ペア:

[(1, 12542075), (5, 2508415), (7, 1791725), (13, 964775), (25, 501683), (35, 358345), (37, 338975), (65, 192955), (91, 137825), (149, 84175), (175, 71669), (185, 67795), (259, 48425), (325, 38591), (455, 27565), (481, 26075), (745, 16835), (925, 13559), (1043, 12025), (1295, 9685), (1937, 6475), (2275, 5513), (2405, 5215), (3367, 3725)]