2830640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{863}}^1$

素因数の和:917

約数の個数: 40

約数和(自身を含む): 6749568

約数和(自身を除く): 3918928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 863, 1640, 1726, 3280, 3452, 4315, 6904, 8630, 13808, 17260, 34520, 35383, 69040, 70766, 141532, 176915, 283064, 353830, 566128, 707660, 1415320, 2830640]

約数ペア:

[(1, 2830640), (2, 1415320), (4, 707660), (5, 566128), (8, 353830), (10, 283064), (16, 176915), (20, 141532), (40, 70766), (41, 69040), (80, 35383), (82, 34520), (164, 17260), (205, 13808), (328, 8630), (410, 6904), (656, 4315), (820, 3452), (863, 3280), (1640, 1726)]