12235220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 27010368

約数和(自身を除く): 14775148

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 347, 410, 430, 694, 820, 860, 1388, 1735, 1763, 3470, 3526, 6940, 7052, 8815, 14227, 14921, 17630, 28454, 29842, 35260, 56908, 59684, 71135, 74605, 142270, 149210, 284540, 298420, 611761, 1223522, 2447044, 3058805, 6117610, 12235220]

約数ペア:

[(1, 12235220), (2, 6117610), (4, 3058805), (5, 2447044), (10, 1223522), (20, 611761), (41, 298420), (43, 284540), (82, 149210), (86, 142270), (164, 74605), (172, 71135), (205, 59684), (215, 56908), (347, 35260), (410, 29842), (430, 28454), (694, 17630), (820, 14921), (860, 14227), (1388, 8815), (1735, 7052), (1763, 6940), (3470, 3526)]