12543620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 28304640

約数和(自身を除く): 15761020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 467, 790, 934, 1343, 1580, 1868, 2335, 2686, 4670, 5372, 6715, 7939, 9340, 13430, 15878, 26860, 31756, 36893, 39695, 73786, 79390, 147572, 158780, 184465, 368930, 627181, 737860, 1254362, 2508724, 3135905, 6271810, 12543620]

約数ペア:

[(1, 12543620), (2, 6271810), (4, 3135905), (5, 2508724), (10, 1254362), (17, 737860), (20, 627181), (34, 368930), (68, 184465), (79, 158780), (85, 147572), (158, 79390), (170, 73786), (316, 39695), (340, 36893), (395, 31756), (467, 26860), (790, 15878), (934, 13430), (1343, 9340), (1580, 7939), (1868, 6715), (2335, 5372), (2686, 4670)]