65996240

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2017}}^1$

素因数の和:2439

約数の個数: 40

約数和(自身を含む): 153892680

約数和(自身を除く): 87896440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2017, 2045, 3272, 4034, 4090, 6544, 8068, 8180, 10085, 16136, 16360, 20170, 32272, 32720, 40340, 80680, 161360, 824953, 1649906, 3299812, 4124765, 6599624, 8249530, 13199248, 16499060, 32998120, 65996240]

約数ペア:

[(1, 65996240), (2, 32998120), (4, 16499060), (5, 13199248), (8, 8249530), (10, 6599624), (16, 4124765), (20, 3299812), (40, 1649906), (80, 824953), (409, 161360), (818, 80680), (1636, 40340), (2017, 32720), (2045, 32272), (3272, 20170), (4034, 16360), (4090, 16136), (6544, 10085), (8068, 8180)]