31882820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1187}}^1$

素因数の和:1292

約数の個数: 48

約数和(自身を含む): 71850240

約数和(自身を除く): 39967420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1187, 1343, 1580, 2374, 2686, 4748, 5372, 5935, 6715, 11870, 13430, 20179, 23740, 26860, 40358, 80716, 93773, 100895, 187546, 201790, 375092, 403580, 468865, 937730, 1594141, 1875460, 3188282, 6376564, 7970705, 15941410, 31882820]

約数ペア:

[(1, 31882820), (2, 15941410), (4, 7970705), (5, 6376564), (10, 3188282), (17, 1875460), (20, 1594141), (34, 937730), (68, 468865), (79, 403580), (85, 375092), (158, 201790), (170, 187546), (316, 100895), (340, 93773), (395, 80716), (790, 40358), (1187, 26860), (1343, 23740), (1580, 20179), (2374, 13430), (2686, 11870), (4748, 6715), (5372, 5935)]