40894360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78643}}^1$

素因数の和:78667

約数の個数: 32

約数和(自身を含む): 99091440

約数和(自身を除く): 58197080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 78643, 157286, 314572, 393215, 629144, 786430, 1022359, 1572860, 2044718, 3145720, 4089436, 5111795, 8178872, 10223590, 20447180, 40894360]

約数ペア:

[(1, 40894360), (2, 20447180), (4, 10223590), (5, 8178872), (8, 5111795), (10, 4089436), (13, 3145720), (20, 2044718), (26, 1572860), (40, 1022359), (52, 786430), (65, 629144), (104, 393215), (130, 314572), (260, 157286), (520, 78643)]