18026480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 44622144

約数和(自身を除く): 26595664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 97, 101, 115, 184, 194, 202, 230, 368, 388, 404, 460, 485, 505, 776, 808, 920, 970, 1010, 1552, 1616, 1840, 1940, 2020, 2231, 2323, 3880, 4040, 4462, 4646, 7760, 8080, 8924, 9292, 9797, 11155, 11615, 17848, 18584, 19594, 22310, 23230, 35696, 37168, 39188, 44620, 46460, 48985, 78376, 89240, 92920, 97970, 156752, 178480, 185840, 195940, 225331, 391880, 450662, 783760, 901324, 1126655, 1802648, 2253310, 3605296, 4506620, 9013240, 18026480]

約数ペア:

[(1, 18026480), (2, 9013240), (4, 4506620), (5, 3605296), (8, 2253310), (10, 1802648), (16, 1126655), (20, 901324), (23, 783760), (40, 450662), (46, 391880), (80, 225331), (92, 195940), (97, 185840), (101, 178480), (115, 156752), (184, 97970), (194, 92920), (202, 89240), (230, 78376), (368, 48985), (388, 46460), (404, 44620), (460, 39188), (485, 37168), (505, 35696), (776, 23230), (808, 22310), (920, 19594), (970, 18584), (1010, 17848), (1552, 11615), (1616, 11155), (1840, 9797), (1940, 9292), (2020, 8924), (2231, 8080), (2323, 7760), (3880, 4646), (4040, 4462)]