16638866425

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1\times {\mathrm{509}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 21779856000

約数和(自身を除く): 5140989575

約数列:

[1, 5, 23, 25, 115, 139, 409, 509, 575, 695, 2045, 2545, 3197, 3475, 9407, 10225, 11707, 12725, 15985, 47035, 56851, 58535, 70751, 79925, 208181, 235175, 284255, 292675, 353755, 1040905, 1307573, 1421275, 1627273, 1768775, 4788163, 5204525, 6537865, 8136365, 23940815, 28937159, 32689325, 40681825, 119704075, 144685795, 665554657, 723428975, 3327773285, 16638866425]

約数ペア:

[(1, 16638866425), (5, 3327773285), (23, 723428975), (25, 665554657), (115, 144685795), (139, 119704075), (409, 40681825), (509, 32689325), (575, 28937159), (695, 23940815), (2045, 8136365), (2545, 6537865), (3197, 5204525), (3475, 4788163), (9407, 1768775), (10225, 1627273), (11707, 1421275), (12725, 1307573), (15985, 1040905), (47035, 353755), (56851, 292675), (58535, 284255), (70751, 235175), (79925, 208181)]