11745680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3581}}^1$

素因数の和:3635

約数の個数: 40

約数和(自身を含む): 27982584

約数和(自身を除く): 16236904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3581, 7162, 14324, 17905, 28648, 35810, 57296, 71620, 143240, 146821, 286480, 293642, 587284, 734105, 1174568, 1468210, 2349136, 2936420, 5872840, 11745680]

約数ペア:

[(1, 11745680), (2, 5872840), (4, 2936420), (5, 2349136), (8, 1468210), (10, 1174568), (16, 734105), (20, 587284), (40, 293642), (41, 286480), (80, 146821), (82, 143240), (164, 71620), (205, 57296), (328, 35810), (410, 28648), (656, 17905), (820, 14324), (1640, 7162), (3280, 3581)]