85539140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1381}}^1$

素因数の和:1572

約数の個数: 48

約数和(自身を含む): 190384320

約数和(自身を除く): 104845180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 326, 380, 652, 815, 1381, 1630, 2762, 3097, 3260, 5524, 6194, 6905, 12388, 13810, 15485, 26239, 27620, 30970, 52478, 61940, 104956, 131195, 225103, 262390, 450206, 524780, 900412, 1125515, 2251030, 4276957, 4502060, 8553914, 17107828, 21384785, 42769570, 85539140]

約数ペア:

[(1, 85539140), (2, 42769570), (4, 21384785), (5, 17107828), (10, 8553914), (19, 4502060), (20, 4276957), (38, 2251030), (76, 1125515), (95, 900412), (163, 524780), (190, 450206), (326, 262390), (380, 225103), (652, 131195), (815, 104956), (1381, 61940), (1630, 52478), (2762, 30970), (3097, 27620), (3260, 26239), (5524, 15485), (6194, 13810), (6905, 12388)]