268779680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{129221}}^1$

素因数の和:129249

約数の個数: 48

約数和(自身を含む): 683842824

約数和(自身を除く): 415063144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 129221, 258442, 516884, 646105, 1033768, 1292210, 1679873, 2067536, 2584420, 3359746, 4135072, 5168840, 6719492, 8399365, 10337680, 13438984, 16798730, 20675360, 26877968, 33597460, 53755936, 67194920, 134389840, 268779680]

約数ペア:

[(1, 268779680), (2, 134389840), (4, 67194920), (5, 53755936), (8, 33597460), (10, 26877968), (13, 20675360), (16, 16798730), (20, 13438984), (26, 10337680), (32, 8399365), (40, 6719492), (52, 5168840), (65, 4135072), (80, 3359746), (104, 2584420), (130, 2067536), (160, 1679873), (208, 1292210), (260, 1033768), (416, 646105), (520, 516884), (1040, 258442), (2080, 129221)]