27823120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:920

約数の個数: 80

約数和(自身を含む): 71995392

約数和(自身を除く): 44172272

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, 403, 496, 520, 620, 806, 863, 1040, 1240, 1612, 1726, 2015, 2480, 3224, 3452, 4030, 4315, 6448, 6904, 8060, 8630, 11219, 13808, 16120, 17260, 22438, 26753, 32240, 34520, 44876, 53506, 56095, 69040, 89752, 107012, 112190, 133765, 179504, 214024, 224380, 267530, 347789, 428048, 448760, 535060, 695578, 897520, 1070120, 1391156, 1738945, 2140240, 2782312, 3477890, 5564624, 6955780, 13911560, 27823120]

約数ペア:

[(1, 27823120), (2, 13911560), (4, 6955780), (5, 5564624), (8, 3477890), (10, 2782312), (13, 2140240), (16, 1738945), (20, 1391156), (26, 1070120), (31, 897520), (40, 695578), (52, 535060), (62, 448760), (65, 428048), (80, 347789), (104, 267530), (124, 224380), (130, 214024), (155, 179504), (208, 133765), (248, 112190), (260, 107012), (310, 89752), (403, 69040), (496, 56095), (520, 53506), (620, 44876), (806, 34520), (863, 32240), (1040, 26753), (1240, 22438), (1612, 17260), (1726, 16120), (2015, 13808), (2480, 11219), (3224, 8630), (3452, 8060), (4030, 6904), (4315, 6448)]