425367280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409007}}^1$

素因数の和:409033

約数の個数: 40

約数和(自身を含む): 1065056832

約数和(自身を除く): 639689552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 409007, 818014, 1636028, 2045035, 3272056, 4090070, 5317091, 6544112, 8180140, 10634182, 16360280, 21268364, 26585455, 32720560, 42536728, 53170910, 85073456, 106341820, 212683640, 425367280]

約数ペア:

[(1, 425367280), (2, 212683640), (4, 106341820), (5, 85073456), (8, 53170910), (10, 42536728), (13, 32720560), (16, 26585455), (20, 21268364), (26, 16360280), (40, 10634182), (52, 8180140), (65, 6544112), (80, 5317091), (104, 4090070), (130, 3272056), (208, 2045035), (260, 1636028), (520, 818014), (1040, 409007)]