32000840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^2\times {\mathrm{101}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 73540980

約数和(自身を除く): 41540140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 101, 178, 202, 356, 404, 445, 505, 712, 808, 890, 1010, 1780, 2020, 3560, 4040, 7921, 8989, 15842, 17978, 31684, 35956, 39605, 44945, 63368, 71912, 79210, 89890, 158420, 179780, 316840, 359560, 800021, 1600042, 3200084, 4000105, 6400168, 8000210, 16000420, 32000840]

約数ペア:

[(1, 32000840), (2, 16000420), (4, 8000210), (5, 6400168), (8, 4000105), (10, 3200084), (20, 1600042), (40, 800021), (89, 359560), (101, 316840), (178, 179780), (202, 158420), (356, 89890), (404, 79210), (445, 71912), (505, 63368), (712, 44945), (808, 39605), (890, 35956), (1010, 31684), (1780, 17978), (2020, 15842), (3560, 8989), (4040, 7921)]