8998340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 20765808

約数和(自身を除く): 11767468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 653, 689, 1060, 1306, 1378, 2612, 2756, 3265, 3445, 6530, 6890, 8489, 13060, 13780, 16978, 33956, 34609, 42445, 69218, 84890, 138436, 169780, 173045, 346090, 449917, 692180, 899834, 1799668, 2249585, 4499170, 8998340]

約数ペア:

[(1, 8998340), (2, 4499170), (4, 2249585), (5, 1799668), (10, 899834), (13, 692180), (20, 449917), (26, 346090), (52, 173045), (53, 169780), (65, 138436), (106, 84890), (130, 69218), (212, 42445), (260, 34609), (265, 33956), (530, 16978), (653, 13780), (689, 13060), (1060, 8489), (1306, 6890), (1378, 6530), (2612, 3445), (2756, 3265)]