145140040

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{33289}}^1$

素因数の和:33409

約数の個数: 32

約数和(自身を含む): 329571000

約数和(自身を除く): 184430960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 33289, 66578, 133156, 166445, 266312, 332890, 665780, 1331560, 3628501, 7257002, 14514004, 18142505, 29028008, 36285010, 72570020, 145140040]

約数ペア:

[(1, 145140040), (2, 72570020), (4, 36285010), (5, 29028008), (8, 18142505), (10, 14514004), (20, 7257002), (40, 3628501), (109, 1331560), (218, 665780), (436, 332890), (545, 266312), (872, 166445), (1090, 133156), (2180, 66578), (4360, 33289)]