31226260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1447}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 71519616

約数和(自身を除く): 40293356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1447, 1660, 2158, 2894, 4316, 5395, 5788, 7235, 10790, 14470, 18811, 21580, 28940, 37622, 75244, 94055, 120101, 188110, 240202, 376220, 480404, 600505, 1201010, 1561313, 2402020, 3122626, 6245252, 7806565, 15613130, 31226260]

約数ペア:

[(1, 31226260), (2, 15613130), (4, 7806565), (5, 6245252), (10, 3122626), (13, 2402020), (20, 1561313), (26, 1201010), (52, 600505), (65, 480404), (83, 376220), (130, 240202), (166, 188110), (260, 120101), (332, 94055), (415, 75244), (830, 37622), (1079, 28940), (1447, 21580), (1660, 18811), (2158, 14470), (2894, 10790), (4316, 7235), (5395, 5788)]