22181809040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{86729}}^1$

素因数の和:86904

約数の個数: 80

約数和(自身を含む): 54202780800

約数和(自身を除く): 32020971760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 139, 184, 230, 278, 368, 460, 556, 695, 920, 1112, 1390, 1840, 2224, 2780, 3197, 5560, 6394, 11120, 12788, 15985, 25576, 31970, 51152, 63940, 86729, 127880, 173458, 255760, 346916, 433645, 693832, 867290, 1387664, 1734580, 1994767, 3469160, 3989534, 6938320, 7979068, 9973835, 12055331, 15958136, 19947670, 24110662, 31916272, 39895340, 48221324, 60276655, 79790680, 96442648, 120553310, 159581360, 192885296, 241106620, 277272613, 482213240, 554545226, 964426480, 1109090452, 1386363065, 2218180904, 2772726130, 4436361808, 5545452260, 11090904520, 22181809040]

約数ペア:

[(1, 22181809040), (2, 11090904520), (4, 5545452260), (5, 4436361808), (8, 2772726130), (10, 2218180904), (16, 1386363065), (20, 1109090452), (23, 964426480), (40, 554545226), (46, 482213240), (80, 277272613), (92, 241106620), (115, 192885296), (139, 159581360), (184, 120553310), (230, 96442648), (278, 79790680), (368, 60276655), (460, 48221324), (556, 39895340), (695, 31916272), (920, 24110662), (1112, 19947670), (1390, 15958136), (1840, 12055331), (2224, 9973835), (2780, 7979068), (3197, 6938320), (5560, 3989534), (6394, 3469160), (11120, 1994767), (12788, 1734580), (15985, 1387664), (25576, 867290), (31970, 693832), (51152, 433645), (63940, 346916), (86729, 255760), (127880, 173458)]