82086940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1321}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 186560640

約数和(自身を除く): 104473700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 956, 1195, 1321, 2390, 2642, 3107, 4780, 5284, 6214, 6605, 12428, 13210, 15535, 17173, 26420, 31070, 34346, 62140, 68692, 85865, 171730, 315719, 343460, 631438, 1262876, 1578595, 3157190, 4104347, 6314380, 8208694, 16417388, 20521735, 41043470, 82086940]

約数ペア:

[(1, 82086940), (2, 41043470), (4, 20521735), (5, 16417388), (10, 8208694), (13, 6314380), (20, 4104347), (26, 3157190), (52, 1578595), (65, 1262876), (130, 631438), (239, 343460), (260, 315719), (478, 171730), (956, 85865), (1195, 68692), (1321, 62140), (2390, 34346), (2642, 31070), (3107, 26420), (4780, 17173), (5284, 15535), (6214, 13210), (6605, 12428)]