42712280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82139}}^1$

素因数の和:82163

約数の個数: 32

約数和(自身を含む): 103496400

約数和(自身を除く): 60784120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 82139, 164278, 328556, 410695, 657112, 821390, 1067807, 1642780, 2135614, 3285560, 4271228, 5339035, 8542456, 10678070, 21356140, 42712280]

約数ペア:

[(1, 42712280), (2, 21356140), (4, 10678070), (5, 8542456), (8, 5339035), (10, 4271228), (13, 3285560), (20, 2135614), (26, 1642780), (40, 1067807), (52, 821390), (65, 657112), (104, 410695), (130, 328556), (260, 164278), (520, 82139)]