8106800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1590

約数の個数: 60

約数和(自身を含む): 20988240

約数和(自身を除く): 12881440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 1559, 2600, 3118, 5200, 6236, 7795, 12472, 15590, 20267, 24944, 31180, 38975, 40534, 62360, 77950, 81068, 101335, 124720, 155900, 162136, 202670, 311800, 324272, 405340, 506675, 623600, 810680, 1013350, 1621360, 2026700, 4053400, 8106800]

約数ペア:

[(1, 8106800), (2, 4053400), (4, 2026700), (5, 1621360), (8, 1013350), (10, 810680), (13, 623600), (16, 506675), (20, 405340), (25, 324272), (26, 311800), (40, 202670), (50, 162136), (52, 155900), (65, 124720), (80, 101335), (100, 81068), (104, 77950), (130, 62360), (200, 40534), (208, 38975), (260, 31180), (325, 24944), (400, 20267), (520, 15590), (650, 12472), (1040, 7795), (1300, 6236), (1559, 5200), (2600, 3118)]