7098640

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{997}}^1$

素因数の和:1099

約数の個数: 40

約数和(自身を含む): 16706520

約数和(自身を除く): 9607880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 997, 1424, 1780, 1994, 3560, 3988, 4985, 7120, 7976, 9970, 15952, 19940, 39880, 79760, 88733, 177466, 354932, 443665, 709864, 887330, 1419728, 1774660, 3549320, 7098640]

約数ペア:

[(1, 7098640), (2, 3549320), (4, 1774660), (5, 1419728), (8, 887330), (10, 709864), (16, 443665), (20, 354932), (40, 177466), (80, 88733), (89, 79760), (178, 39880), (356, 19940), (445, 15952), (712, 9970), (890, 7976), (997, 7120), (1424, 4985), (1780, 3988), (1994, 3560)]