40936480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19681}}^1$

素因数の和:19709

約数の個数: 48

約数和(自身を含む): 104157144

約数和(自身を除く): 63220664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 19681, 39362, 78724, 98405, 157448, 196810, 255853, 314896, 393620, 511706, 629792, 787240, 1023412, 1279265, 1574480, 2046824, 2558530, 3148960, 4093648, 5117060, 8187296, 10234120, 20468240, 40936480]

約数ペア:

[(1, 40936480), (2, 20468240), (4, 10234120), (5, 8187296), (8, 5117060), (10, 4093648), (13, 3148960), (16, 2558530), (20, 2046824), (26, 1574480), (32, 1279265), (40, 1023412), (52, 787240), (65, 629792), (80, 511706), (104, 393620), (130, 314896), (160, 255853), (208, 196810), (260, 157448), (416, 98405), (520, 78724), (1040, 39362), (2080, 19681)]