66407660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15887}}^1$

素因数の和:15926

約数の個数: 48

約数和(自身を含む): 160151040

約数和(自身を除く): 93743380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 15887, 31774, 63548, 79435, 158870, 174757, 301853, 317740, 349514, 603706, 699028, 873785, 1207412, 1509265, 1747570, 3018530, 3320383, 3495140, 6037060, 6640766, 13281532, 16601915, 33203830, 66407660]

約数ペア:

[(1, 66407660), (2, 33203830), (4, 16601915), (5, 13281532), (10, 6640766), (11, 6037060), (19, 3495140), (20, 3320383), (22, 3018530), (38, 1747570), (44, 1509265), (55, 1207412), (76, 873785), (95, 699028), (110, 603706), (190, 349514), (209, 317740), (220, 301853), (380, 174757), (418, 158870), (836, 79435), (1045, 63548), (2090, 31774), (4180, 15887)]