81630880

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13789}}^1$

素因数の和:13841

約数の個数: 48

約数和(自身を含む): 198079560

約数和(自身を除く): 116448680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5920, 13789, 27578, 55156, 68945, 110312, 137890, 220624, 275780, 441248, 510193, 551560, 1020386, 1103120, 2040772, 2206240, 2550965, 4081544, 5101930, 8163088, 10203860, 16326176, 20407720, 40815440, 81630880]

約数ペア:

[(1, 81630880), (2, 40815440), (4, 20407720), (5, 16326176), (8, 10203860), (10, 8163088), (16, 5101930), (20, 4081544), (32, 2550965), (37, 2206240), (40, 2040772), (74, 1103120), (80, 1020386), (148, 551560), (160, 510193), (185, 441248), (296, 275780), (370, 220624), (592, 137890), (740, 110312), (1184, 68945), (1480, 55156), (2960, 27578), (5920, 13789)]