2418040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 5535360

約数和(自身を除く): 3117320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 991, 1220, 1982, 2440, 3964, 4955, 7928, 9910, 19820, 39640, 60451, 120902, 241804, 302255, 483608, 604510, 1209020, 2418040]

約数ペア:

[(1, 2418040), (2, 1209020), (4, 604510), (5, 483608), (8, 302255), (10, 241804), (20, 120902), (40, 60451), (61, 39640), (122, 19820), (244, 9910), (305, 7928), (488, 4955), (610, 3964), (991, 2440), (1220, 1982)]