87770080

素因数分解:

$2^5\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1303}}^1$

素因数の和:1739

約数の個数: 48

約数和(自身を含む): 208008864

約数和(自身を除く): 120238784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 421, 842, 1303, 1684, 2105, 2606, 3368, 4210, 5212, 6515, 6736, 8420, 10424, 13030, 13472, 16840, 20848, 26060, 33680, 41696, 52120, 67360, 104240, 208480, 548563, 1097126, 2194252, 2742815, 4388504, 5485630, 8777008, 10971260, 17554016, 21942520, 43885040, 87770080]

約数ペア:

[(1, 87770080), (2, 43885040), (4, 21942520), (5, 17554016), (8, 10971260), (10, 8777008), (16, 5485630), (20, 4388504), (32, 2742815), (40, 2194252), (80, 1097126), (160, 548563), (421, 208480), (842, 104240), (1303, 67360), (1684, 52120), (2105, 41696), (2606, 33680), (3368, 26060), (4210, 20848), (5212, 16840), (6515, 13472), (6736, 13030), (8420, 10424)]