80993440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2707}}^1$

素因数の和:2750

約数の個数: 96

約数和(自身を含む): 221102784

約数和(自身を除く): 140109344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 680, 748, 880, 935, 1360, 1496, 1760, 1870, 2707, 2720, 2992, 3740, 5414, 5984, 7480, 10828, 13535, 14960, 21656, 27070, 29777, 29920, 43312, 46019, 54140, 59554, 86624, 92038, 108280, 119108, 148885, 184076, 216560, 230095, 238216, 297770, 368152, 433120, 460190, 476432, 506209, 595540, 736304, 920380, 952864, 1012418, 1191080, 1472608, 1840760, 2024836, 2382160, 2531045, 3681520, 4049672, 4764320, 5062090, 7363040, 8099344, 10124180, 16198688, 20248360, 40496720, 80993440]

約数ペア:

[(1, 80993440), (2, 40496720), (4, 20248360), (5, 16198688), (8, 10124180), (10, 8099344), (11, 7363040), (16, 5062090), (17, 4764320), (20, 4049672), (22, 3681520), (32, 2531045), (34, 2382160), (40, 2024836), (44, 1840760), (55, 1472608), (68, 1191080), (80, 1012418), (85, 952864), (88, 920380), (110, 736304), (136, 595540), (160, 506209), (170, 476432), (176, 460190), (187, 433120), (220, 368152), (272, 297770), (340, 238216), (352, 230095), (374, 216560), (440, 184076), (544, 148885), (680, 119108), (748, 108280), (880, 92038), (935, 86624), (1360, 59554), (1496, 54140), (1760, 46019), (1870, 43312), (2707, 29920), (2720, 29777), (2992, 27070), (3740, 21656), (5414, 14960), (5984, 13535), (7480, 10828)]