84521840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1213}}^1$

素因数の和:1306

約数の個数: 80

約数和(自身を含む): 214965408

約数和(自身を除く): 130443568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 871, 1040, 1072, 1213, 1340, 1742, 2426, 2680, 3484, 4355, 4852, 5360, 6065, 6968, 8710, 9704, 12130, 13936, 15769, 17420, 19408, 24260, 31538, 34840, 48520, 63076, 69680, 78845, 81271, 97040, 126152, 157690, 162542, 252304, 315380, 325084, 406355, 630760, 650168, 812710, 1056523, 1261520, 1300336, 1625420, 2113046, 3250840, 4226092, 5282615, 6501680, 8452184, 10565230, 16904368, 21130460, 42260920, 84521840]

約数ペア:

[(1, 84521840), (2, 42260920), (4, 21130460), (5, 16904368), (8, 10565230), (10, 8452184), (13, 6501680), (16, 5282615), (20, 4226092), (26, 3250840), (40, 2113046), (52, 1625420), (65, 1300336), (67, 1261520), (80, 1056523), (104, 812710), (130, 650168), (134, 630760), (208, 406355), (260, 325084), (268, 315380), (335, 252304), (520, 162542), (536, 157690), (670, 126152), (871, 97040), (1040, 81271), (1072, 78845), (1213, 69680), (1340, 63076), (1742, 48520), (2426, 34840), (2680, 31538), (3484, 24260), (4355, 19408), (4852, 17420), (5360, 15769), (6065, 13936), (6968, 12130), (8710, 9704)]