81767600

素因数分解:

$2^4\times 5^2\times {\mathrm{367}}^1\times {\mathrm{557}}^1$

素因数の和:942

約数の個数: 60

約数和(自身を含む): 197335584

約数和(自身を除く): 115567984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 367, 400, 557, 734, 1114, 1468, 1835, 2228, 2785, 2936, 3670, 4456, 5570, 5872, 7340, 8912, 9175, 11140, 13925, 14680, 18350, 22280, 27850, 29360, 36700, 44560, 55700, 73400, 111400, 146800, 204419, 222800, 408838, 817676, 1022095, 1635352, 2044190, 3270704, 4088380, 5110475, 8176760, 10220950, 16353520, 20441900, 40883800, 81767600]

約数ペア:

[(1, 81767600), (2, 40883800), (4, 20441900), (5, 16353520), (8, 10220950), (10, 8176760), (16, 5110475), (20, 4088380), (25, 3270704), (40, 2044190), (50, 1635352), (80, 1022095), (100, 817676), (200, 408838), (367, 222800), (400, 204419), (557, 146800), (734, 111400), (1114, 73400), (1468, 55700), (1835, 44560), (2228, 36700), (2785, 29360), (2936, 27850), (3670, 22280), (4456, 18350), (5570, 14680), (5872, 13925), (7340, 11140), (8912, 9175)]