9440720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6211}}^1$

素因数の和:6243

約数の個数: 40

約数和(自身を含む): 23108640

約数和(自身を除く): 13667920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 6211, 12422, 24844, 31055, 49688, 62110, 99376, 118009, 124220, 236018, 248440, 472036, 496880, 590045, 944072, 1180090, 1888144, 2360180, 4720360, 9440720]

約数ペア:

[(1, 9440720), (2, 4720360), (4, 2360180), (5, 1888144), (8, 1180090), (10, 944072), (16, 590045), (19, 496880), (20, 472036), (38, 248440), (40, 236018), (76, 124220), (80, 118009), (95, 99376), (152, 62110), (190, 49688), (304, 31055), (380, 24844), (760, 12422), (1520, 6211)]