64774480

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15277}}^1$

素因数の和:15343

約数の個数: 40

約数和(自身を含む): 153452232

約数和(自身を除く): 88677752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 15277, 30554, 61108, 76385, 122216, 152770, 244432, 305540, 611080, 809681, 1222160, 1619362, 3238724, 4048405, 6477448, 8096810, 12954896, 16193620, 32387240, 64774480]

約数ペア:

[(1, 64774480), (2, 32387240), (4, 16193620), (5, 12954896), (8, 8096810), (10, 6477448), (16, 4048405), (20, 3238724), (40, 1619362), (53, 1222160), (80, 809681), (106, 611080), (212, 305540), (265, 244432), (424, 152770), (530, 122216), (848, 76385), (1060, 61108), (2120, 30554), (4240, 15277)]