90897820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{8527}}^1$

素因数の和:8590

約数の個数: 48

約数和(自身を含む): 210607488

約数和(自身を除く): 119709668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 8527, 10660, 17054, 34108, 42635, 85270, 110851, 170540, 221702, 349607, 443404, 554255, 699214, 1108510, 1398428, 1748035, 2217020, 3496070, 4544891, 6992140, 9089782, 18179564, 22724455, 45448910, 90897820]

約数ペア:

[(1, 90897820), (2, 45448910), (4, 22724455), (5, 18179564), (10, 9089782), (13, 6992140), (20, 4544891), (26, 3496070), (41, 2217020), (52, 1748035), (65, 1398428), (82, 1108510), (130, 699214), (164, 554255), (205, 443404), (260, 349607), (410, 221702), (533, 170540), (820, 110851), (1066, 85270), (2132, 42635), (2665, 34108), (5330, 17054), (8527, 10660)]