11187280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 28998144

約数和(自身を除く): 17810864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 347, 403, 496, 520, 620, 694, 806, 1040, 1240, 1388, 1612, 1735, 2015, 2480, 2776, 3224, 3470, 4030, 4511, 5552, 6448, 6940, 8060, 9022, 10757, 13880, 16120, 18044, 21514, 22555, 27760, 32240, 36088, 43028, 45110, 53785, 72176, 86056, 90220, 107570, 139841, 172112, 180440, 215140, 279682, 360880, 430280, 559364, 699205, 860560, 1118728, 1398410, 2237456, 2796820, 5593640, 11187280]

約数ペア:

[(1, 11187280), (2, 5593640), (4, 2796820), (5, 2237456), (8, 1398410), (10, 1118728), (13, 860560), (16, 699205), (20, 559364), (26, 430280), (31, 360880), (40, 279682), (52, 215140), (62, 180440), (65, 172112), (80, 139841), (104, 107570), (124, 90220), (130, 86056), (155, 72176), (208, 53785), (248, 45110), (260, 43028), (310, 36088), (347, 32240), (403, 27760), (496, 22555), (520, 21514), (620, 18044), (694, 16120), (806, 13880), (1040, 10757), (1240, 9022), (1388, 8060), (1612, 6940), (1735, 6448), (2015, 5552), (2480, 4511), (2776, 4030), (3224, 3470)]