22138960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 54282240

約数和(自身を除く): 32143280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 113, 124, 155, 158, 226, 248, 310, 316, 395, 452, 496, 565, 620, 632, 790, 904, 1130, 1240, 1264, 1580, 1808, 2260, 2449, 2480, 3160, 3503, 4520, 4898, 6320, 7006, 8927, 9040, 9796, 12245, 14012, 17515, 17854, 19592, 24490, 28024, 35030, 35708, 39184, 44635, 48980, 56048, 70060, 71416, 89270, 97960, 140120, 142832, 178540, 195920, 276737, 280240, 357080, 553474, 714160, 1106948, 1383685, 2213896, 2767370, 4427792, 5534740, 11069480, 22138960]

約数ペア:

[(1, 22138960), (2, 11069480), (4, 5534740), (5, 4427792), (8, 2767370), (10, 2213896), (16, 1383685), (20, 1106948), (31, 714160), (40, 553474), (62, 357080), (79, 280240), (80, 276737), (113, 195920), (124, 178540), (155, 142832), (158, 140120), (226, 97960), (248, 89270), (310, 71416), (316, 70060), (395, 56048), (452, 48980), (496, 44635), (565, 39184), (620, 35708), (632, 35030), (790, 28024), (904, 24490), (1130, 19592), (1240, 17854), (1264, 17515), (1580, 14012), (1808, 12245), (2260, 9796), (2449, 9040), (2480, 8927), (3160, 7006), (3503, 6320), (4520, 4898)]