80078540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{587}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 177811200

約数和(自身を除く): 97732660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 359, 380, 587, 718, 1174, 1436, 1795, 2348, 2935, 3590, 5870, 6821, 7180, 11153, 11740, 13642, 22306, 27284, 34105, 44612, 55765, 68210, 111530, 136420, 210733, 223060, 421466, 842932, 1053665, 2107330, 4003927, 4214660, 8007854, 16015708, 20019635, 40039270, 80078540]

約数ペア:

[(1, 80078540), (2, 40039270), (4, 20019635), (5, 16015708), (10, 8007854), (19, 4214660), (20, 4003927), (38, 2107330), (76, 1053665), (95, 842932), (190, 421466), (359, 223060), (380, 210733), (587, 136420), (718, 111530), (1174, 68210), (1436, 55765), (1795, 44612), (2348, 34105), (2935, 27284), (3590, 22306), (5870, 13642), (6821, 11740), (7180, 11153)]