2636691980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{327133}}^1$

素因数の和:327186

約数の個数: 48

約数和(自身を含む): 6155353344

約数和(自身を除く): 3518661364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 327133, 654266, 1308532, 1635665, 3271330, 4252729, 6542660, 8505458, 10141123, 17010916, 20282246, 21263645, 40564492, 42527290, 50705615, 85054580, 101411230, 131834599, 202822460, 263669198, 527338396, 659172995, 1318345990, 2636691980]

約数ペア:

[(1, 2636691980), (2, 1318345990), (4, 659172995), (5, 527338396), (10, 263669198), (13, 202822460), (20, 131834599), (26, 101411230), (31, 85054580), (52, 50705615), (62, 42527290), (65, 40564492), (124, 21263645), (130, 20282246), (155, 17010916), (260, 10141123), (310, 8505458), (403, 6542660), (620, 4252729), (806, 3271330), (1612, 1635665), (2015, 1308532), (4030, 654266), (8060, 327133)]