71128240

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8803}}^1$

素因数の和:8917

約数の個数: 40

約数和(自身を含む): 167029488

約数和(自身を除く): 95901248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 8803, 17606, 35212, 44015, 70424, 88030, 140848, 176060, 352120, 704240, 889103, 1778206, 3556412, 4445515, 7112824, 8891030, 14225648, 17782060, 35564120, 71128240]

約数ペア:

[(1, 71128240), (2, 35564120), (4, 17782060), (5, 14225648), (8, 8891030), (10, 7112824), (16, 4445515), (20, 3556412), (40, 1778206), (80, 889103), (101, 704240), (202, 352120), (404, 176060), (505, 140848), (808, 88030), (1010, 70424), (1616, 44015), (2020, 35212), (4040, 17606), (8080, 8803)]