31930340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{967}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 72855552

約数和(自身を除く): 40925212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 967, 1270, 1651, 1934, 2540, 3302, 3868, 4835, 6604, 8255, 9670, 12571, 16510, 19340, 25142, 33020, 50284, 62855, 122809, 125710, 245618, 251420, 491236, 614045, 1228090, 1596517, 2456180, 3193034, 6386068, 7982585, 15965170, 31930340]

約数ペア:

[(1, 31930340), (2, 15965170), (4, 7982585), (5, 6386068), (10, 3193034), (13, 2456180), (20, 1596517), (26, 1228090), (52, 614045), (65, 491236), (127, 251420), (130, 245618), (254, 125710), (260, 122809), (508, 62855), (635, 50284), (967, 33020), (1270, 25142), (1651, 19340), (1934, 16510), (2540, 12571), (3302, 9670), (3868, 8255), (4835, 6604)]