84393920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20287}}^1$

素因数の和:20317

約数の個数: 56

約数和(自身を含む): 216432384

約数和(自身を除く): 132038464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 20287, 40574, 81148, 101435, 162296, 202870, 263731, 324592, 405740, 527462, 649184, 811480, 1054924, 1298368, 1318655, 1622960, 2109848, 2637310, 3245920, 4219696, 5274620, 6491840, 8439392, 10549240, 16878784, 21098480, 42196960, 84393920]

約数ペア:

[(1, 84393920), (2, 42196960), (4, 21098480), (5, 16878784), (8, 10549240), (10, 8439392), (13, 6491840), (16, 5274620), (20, 4219696), (26, 3245920), (32, 2637310), (40, 2109848), (52, 1622960), (64, 1318655), (65, 1298368), (80, 1054924), (104, 811480), (130, 649184), (160, 527462), (208, 405740), (260, 324592), (320, 263731), (416, 202870), (520, 162296), (832, 101435), (1040, 81148), (2080, 40574), (4160, 20287)]