2018048080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{681773}}^1$

素因数の和:681823

約数の個数: 40

約数和(自身を含む): 4818778632

約数和(自身を除く): 2800730552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 681773, 1363546, 2727092, 3408865, 5454184, 6817730, 10908368, 13635460, 25225601, 27270920, 50451202, 54541840, 100902404, 126128005, 201804808, 252256010, 403609616, 504512020, 1009024040, 2018048080]

約数ペア:

[(1, 2018048080), (2, 1009024040), (4, 504512020), (5, 403609616), (8, 252256010), (10, 201804808), (16, 126128005), (20, 100902404), (37, 54541840), (40, 50451202), (74, 27270920), (80, 25225601), (148, 13635460), (185, 10908368), (296, 6817730), (370, 5454184), (592, 3408865), (740, 2727092), (1480, 1363546), (2960, 681773)]