2662040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 6093360

約数和(自身を除く): 3431320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1091, 1220, 2182, 2440, 4364, 5455, 8728, 10910, 21820, 43640, 66551, 133102, 266204, 332755, 532408, 665510, 1331020, 2662040]

約数ペア:

[(1, 2662040), (2, 1331020), (4, 665510), (5, 532408), (8, 332755), (10, 266204), (20, 133102), (40, 66551), (61, 43640), (122, 21820), (244, 10910), (305, 8728), (488, 5455), (610, 4364), (1091, 2440), (1220, 2182)]