85287280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82007}}^1$

素因数の和:82033

約数の個数: 40

約数和(自身を含む): 213548832

約数和(自身を除く): 128261552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 82007, 164014, 328028, 410035, 656056, 820070, 1066091, 1312112, 1640140, 2132182, 3280280, 4264364, 5330455, 6560560, 8528728, 10660910, 17057456, 21321820, 42643640, 85287280]

約数ペア:

[(1, 85287280), (2, 42643640), (4, 21321820), (5, 17057456), (8, 10660910), (10, 8528728), (13, 6560560), (16, 5330455), (20, 4264364), (26, 3280280), (40, 2132182), (52, 1640140), (65, 1312112), (80, 1066091), (104, 820070), (130, 656056), (208, 410035), (260, 328028), (520, 164014), (1040, 82007)]