13921640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 33825600

約数和(自身を除く): 19903960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 347, 472, 590, 680, 694, 1003, 1180, 1388, 1735, 2006, 2360, 2776, 3470, 4012, 5015, 5899, 6940, 8024, 10030, 11798, 13880, 20060, 20473, 23596, 29495, 40120, 40946, 47192, 58990, 81892, 102365, 117980, 163784, 204730, 235960, 348041, 409460, 696082, 818920, 1392164, 1740205, 2784328, 3480410, 6960820, 13921640]

約数ペア:

[(1, 13921640), (2, 6960820), (4, 3480410), (5, 2784328), (8, 1740205), (10, 1392164), (17, 818920), (20, 696082), (34, 409460), (40, 348041), (59, 235960), (68, 204730), (85, 163784), (118, 117980), (136, 102365), (170, 81892), (236, 58990), (295, 47192), (340, 40946), (347, 40120), (472, 29495), (590, 23596), (680, 20473), (694, 20060), (1003, 13880), (1180, 11798), (1388, 10030), (1735, 8024), (2006, 6940), (2360, 5899), (2776, 5015), (3470, 4012)]