4022789020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{16217}}^1$

素因数の和:16462

約数の個数: 48

約数和(自身を含む): 8609811840

約数和(自身を除く): 4587022820

約数列:

[1, 2, 4, 5, 10, 20, 79, 157, 158, 314, 316, 395, 628, 785, 790, 1570, 1580, 3140, 12403, 16217, 24806, 32434, 49612, 62015, 64868, 81085, 124030, 162170, 248060, 324340, 1281143, 2546069, 2562286, 5092138, 5124572, 6405715, 10184276, 12730345, 12811430, 25460690, 25622860, 50921380, 201139451, 402278902, 804557804, 1005697255, 2011394510, 4022789020]

約数ペア:

[(1, 4022789020), (2, 2011394510), (4, 1005697255), (5, 804557804), (10, 402278902), (20, 201139451), (79, 50921380), (157, 25622860), (158, 25460690), (314, 12811430), (316, 12730345), (395, 10184276), (628, 6405715), (785, 5124572), (790, 5092138), (1570, 2562286), (1580, 2546069), (3140, 1281143), (12403, 324340), (16217, 248060), (24806, 162170), (32434, 124030), (49612, 81085), (62015, 64868)]