8737820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4801}}^1$

素因数の和:4830

約数の個数: 48

約数和(自身を含む): 22588608

約数和(自身を除く): 13850788

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4801, 9602, 19204, 24005, 33607, 48010, 62413, 67214, 96020, 124826, 134428, 168035, 249652, 312065, 336070, 436891, 624130, 672140, 873782, 1248260, 1747564, 2184455, 4368910, 8737820]

約数ペア:

[(1, 8737820), (2, 4368910), (4, 2184455), (5, 1747564), (7, 1248260), (10, 873782), (13, 672140), (14, 624130), (20, 436891), (26, 336070), (28, 312065), (35, 249652), (52, 168035), (65, 134428), (70, 124826), (91, 96020), (130, 67214), (140, 62413), (182, 48010), (260, 33607), (364, 24005), (455, 19204), (910, 9602), (1820, 4801)]