65010440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2081}}^1$

素因数の和:2174

約数の個数: 64

約数和(自身を含む): 161896320

約数和(自身を除く): 96885880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2081, 2840, 3124, 3905, 4162, 6248, 7810, 8324, 10405, 15620, 16648, 20810, 22891, 31240, 41620, 45782, 83240, 91564, 114455, 147751, 183128, 228910, 295502, 457820, 591004, 738755, 915640, 1182008, 1477510, 1625261, 2955020, 3250522, 5910040, 6501044, 8126305, 13002088, 16252610, 32505220, 65010440]

約数ペア:

[(1, 65010440), (2, 32505220), (4, 16252610), (5, 13002088), (8, 8126305), (10, 6501044), (11, 5910040), (20, 3250522), (22, 2955020), (40, 1625261), (44, 1477510), (55, 1182008), (71, 915640), (88, 738755), (110, 591004), (142, 457820), (220, 295502), (284, 228910), (355, 183128), (440, 147751), (568, 114455), (710, 91564), (781, 83240), (1420, 45782), (1562, 41620), (2081, 31240), (2840, 22891), (3124, 20810), (3905, 16648), (4162, 15620), (6248, 10405), (7810, 8324)]