8815820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{827}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 20448288

約数和(自身を除く): 11632468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 827, 1066, 1654, 2132, 2665, 3308, 4135, 5330, 8270, 10660, 10751, 16540, 21502, 33907, 43004, 53755, 67814, 107510, 135628, 169535, 215020, 339070, 440791, 678140, 881582, 1763164, 2203955, 4407910, 8815820]

約数ペア:

[(1, 8815820), (2, 4407910), (4, 2203955), (5, 1763164), (10, 881582), (13, 678140), (20, 440791), (26, 339070), (41, 215020), (52, 169535), (65, 135628), (82, 107510), (130, 67814), (164, 53755), (205, 43004), (260, 33907), (410, 21502), (533, 16540), (820, 10751), (827, 10660), (1066, 8270), (1654, 5330), (2132, 4135), (2665, 3308)]