80289170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 162860544

約数和(自身を除く): 82571374

約数列:

[1, 2, 5, 10, 13, 26, 43, 53, 65, 86, 106, 130, 215, 265, 271, 430, 530, 542, 559, 689, 1118, 1355, 1378, 2279, 2710, 2795, 3445, 3523, 4558, 5590, 6890, 7046, 11395, 11653, 14363, 17615, 22790, 23306, 28726, 29627, 35230, 58265, 59254, 71815, 116530, 143630, 148135, 151489, 186719, 296270, 302978, 373438, 617609, 757445, 933595, 1235218, 1514890, 1867190, 3088045, 6176090, 8028917, 16057834, 40144585, 80289170]

約数ペア:

[(1, 80289170), (2, 40144585), (5, 16057834), (10, 8028917), (13, 6176090), (26, 3088045), (43, 1867190), (53, 1514890), (65, 1235218), (86, 933595), (106, 757445), (130, 617609), (215, 373438), (265, 302978), (271, 296270), (430, 186719), (530, 151489), (542, 148135), (559, 143630), (689, 116530), (1118, 71815), (1355, 59254), (1378, 58265), (2279, 35230), (2710, 29627), (2795, 28726), (3445, 23306), (3523, 22790), (4558, 17615), (5590, 14363), (6890, 11653), (7046, 11395)]