90680680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{78173}}^1$

素因数の和:78213

約数の個数: 32

約数和(自身を含む): 211069800

約数和(自身を除く): 120389120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 78173, 156346, 312692, 390865, 625384, 781730, 1563460, 2267017, 3126920, 4534034, 9068068, 11335085, 18136136, 22670170, 45340340, 90680680]

約数ペア:

[(1, 90680680), (2, 45340340), (4, 22670170), (5, 18136136), (8, 11335085), (10, 9068068), (20, 4534034), (29, 3126920), (40, 2267017), (58, 1563460), (116, 781730), (145, 625384), (232, 390865), (290, 312692), (580, 156346), (1160, 78173)]