81994660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6317}}^1$

素因数の和:6396

約数の個数: 48

約数和(自身を含む): 191056320

約数和(自身を除く): 109061660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6317, 6490, 12634, 12980, 25268, 31585, 63170, 69487, 126340, 138974, 277948, 347435, 372703, 694870, 745406, 1389740, 1490812, 1863515, 3727030, 4099733, 7454060, 8199466, 16398932, 20498665, 40997330, 81994660]

約数ペア:

[(1, 81994660), (2, 40997330), (4, 20498665), (5, 16398932), (10, 8199466), (11, 7454060), (20, 4099733), (22, 3727030), (44, 1863515), (55, 1490812), (59, 1389740), (110, 745406), (118, 694870), (220, 372703), (236, 347435), (295, 277948), (590, 138974), (649, 126340), (1180, 69487), (1298, 63170), (2596, 31585), (3245, 25268), (6317, 12980), (6490, 12634)]