16380760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{631}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 40953600

約数和(自身を除く): 24572840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 631, 649, 1180, 1262, 1298, 2360, 2524, 2596, 3155, 3245, 5048, 5192, 6310, 6490, 6941, 12620, 12980, 13882, 25240, 25960, 27764, 34705, 37229, 55528, 69410, 74458, 138820, 148916, 186145, 277640, 297832, 372290, 409519, 744580, 819038, 1489160, 1638076, 2047595, 3276152, 4095190, 8190380, 16380760]

約数ペア:

[(1, 16380760), (2, 8190380), (4, 4095190), (5, 3276152), (8, 2047595), (10, 1638076), (11, 1489160), (20, 819038), (22, 744580), (40, 409519), (44, 372290), (55, 297832), (59, 277640), (88, 186145), (110, 148916), (118, 138820), (220, 74458), (236, 69410), (295, 55528), (440, 37229), (472, 34705), (590, 27764), (631, 25960), (649, 25240), (1180, 13882), (1262, 12980), (1298, 12620), (2360, 6941), (2524, 6490), (2596, 6310), (3155, 5192), (3245, 5048)]