40207960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77323}}^1$

素因数の和:77347

約数の個数: 32

約数和(自身を含む): 97428240

約数和(自身を除く): 57220280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77323, 154646, 309292, 386615, 618584, 773230, 1005199, 1546460, 2010398, 3092920, 4020796, 5025995, 8041592, 10051990, 20103980, 40207960]

約数ペア:

[(1, 40207960), (2, 20103980), (4, 10051990), (5, 8041592), (8, 5025995), (10, 4020796), (13, 3092920), (20, 2010398), (26, 1546460), (40, 1005199), (52, 773230), (65, 618584), (104, 386615), (130, 309292), (260, 154646), (520, 77323)]