13331240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 33384960

約数和(自身を除く): 20053720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 827, 1240, 1612, 1654, 2015, 3224, 3308, 4030, 4135, 6616, 8060, 8270, 10751, 16120, 16540, 21502, 25637, 33080, 43004, 51274, 53755, 86008, 102548, 107510, 128185, 205096, 215020, 256370, 333281, 430040, 512740, 666562, 1025480, 1333124, 1666405, 2666248, 3332810, 6665620, 13331240]

約数ペア:

[(1, 13331240), (2, 6665620), (4, 3332810), (5, 2666248), (8, 1666405), (10, 1333124), (13, 1025480), (20, 666562), (26, 512740), (31, 430040), (40, 333281), (52, 256370), (62, 215020), (65, 205096), (104, 128185), (124, 107510), (130, 102548), (155, 86008), (248, 53755), (260, 51274), (310, 43004), (403, 33080), (520, 25637), (620, 21502), (806, 16540), (827, 16120), (1240, 10751), (1612, 8270), (1654, 8060), (2015, 6616), (3224, 4135), (3308, 4030)]