78484240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57709}}^1$

素因数の和:57739

約数の個数: 40

約数和(自身を含む): 193213080

約数和(自身を除く): 114728840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 57709, 115418, 230836, 288545, 461672, 577090, 923344, 981053, 1154180, 1962106, 2308360, 3924212, 4616720, 4905265, 7848424, 9810530, 15696848, 19621060, 39242120, 78484240]

約数ペア:

[(1, 78484240), (2, 39242120), (4, 19621060), (5, 15696848), (8, 9810530), (10, 7848424), (16, 4905265), (17, 4616720), (20, 3924212), (34, 2308360), (40, 1962106), (68, 1154180), (80, 981053), (85, 923344), (136, 577090), (170, 461672), (272, 288545), (340, 230836), (680, 115418), (1360, 57709)]