6688040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2741}}^1$

素因数の和:2813

約数の個数: 32

約数和(自身を含む): 15300360

約数和(自身を除く): 8612320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 2741, 5482, 10964, 13705, 21928, 27410, 54820, 109640, 167201, 334402, 668804, 836005, 1337608, 1672010, 3344020, 6688040]

約数ペア:

[(1, 6688040), (2, 3344020), (4, 1672010), (5, 1337608), (8, 836005), (10, 668804), (20, 334402), (40, 167201), (61, 109640), (122, 54820), (244, 27410), (305, 21928), (488, 13705), (610, 10964), (1220, 5482), (2440, 2741)]