87183880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311371}}^1$

素因数の和:311389

約数の個数: 32

約数和(自身を含む): 224187840

約数和(自身を除く): 137003960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311371, 622742, 1245484, 1556855, 2179597, 2490968, 3113710, 4359194, 6227420, 8718388, 10897985, 12454840, 17436776, 21795970, 43591940, 87183880]

約数ペア:

[(1, 87183880), (2, 43591940), (4, 21795970), (5, 17436776), (7, 12454840), (8, 10897985), (10, 8718388), (14, 6227420), (20, 4359194), (28, 3113710), (35, 2490968), (40, 2179597), (56, 1556855), (70, 1245484), (140, 622742), (280, 311371)]