64386040

素因数分解:

$2^3\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{1327}}^1$

素因数の和:2551

約数の個数: 32

約数和(自身を含む): 145097280

約数和(自身を除く): 80711240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1213, 1327, 2426, 2654, 4852, 5308, 6065, 6635, 9704, 10616, 12130, 13270, 24260, 26540, 48520, 53080, 1609651, 3219302, 6438604, 8048255, 12877208, 16096510, 32193020, 64386040]

約数ペア:

[(1, 64386040), (2, 32193020), (4, 16096510), (5, 12877208), (8, 8048255), (10, 6438604), (20, 3219302), (40, 1609651), (1213, 53080), (1327, 48520), (2426, 26540), (2654, 24260), (4852, 13270), (5308, 12130), (6065, 10616), (6635, 9704)]