42871120

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1619}}^1$

素因数の和:1963

約数の個数: 40

約数和(自身を含む): 100038240

約数和(自身を除く): 57167120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1619, 1655, 2648, 3238, 3310, 5296, 6476, 6620, 8095, 12952, 13240, 16190, 25904, 26480, 32380, 64760, 129520, 535889, 1071778, 2143556, 2679445, 4287112, 5358890, 8574224, 10717780, 21435560, 42871120]

約数ペア:

[(1, 42871120), (2, 21435560), (4, 10717780), (5, 8574224), (8, 5358890), (10, 4287112), (16, 2679445), (20, 2143556), (40, 1071778), (80, 535889), (331, 129520), (662, 64760), (1324, 32380), (1619, 26480), (1655, 25904), (2648, 16190), (3238, 13240), (3310, 12952), (5296, 8095), (6476, 6620)]