1438240

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 3470040

約数和(自身を除く): 2031800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 101, 160, 178, 202, 356, 404, 445, 505, 712, 808, 890, 1010, 1424, 1616, 1780, 2020, 2848, 3232, 3560, 4040, 7120, 8080, 8989, 14240, 16160, 17978, 35956, 44945, 71912, 89890, 143824, 179780, 287648, 359560, 719120, 1438240]

約数ペア:

[(1, 1438240), (2, 719120), (4, 359560), (5, 287648), (8, 179780), (10, 143824), (16, 89890), (20, 71912), (32, 44945), (40, 35956), (80, 17978), (89, 16160), (101, 14240), (160, 8989), (178, 8080), (202, 7120), (356, 4040), (404, 3560), (445, 3232), (505, 2848), (712, 2020), (808, 1780), (890, 1616), (1010, 1424)]