78441680

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{16619}}^1$

素因数の和:16691

約数の個数: 40

約数和(自身を含む): 185479200

約数和(自身を除く): 107037520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 16619, 33238, 66476, 83095, 132952, 166190, 265904, 332380, 664760, 980521, 1329520, 1961042, 3922084, 4902605, 7844168, 9805210, 15688336, 19610420, 39220840, 78441680]

約数ペア:

[(1, 78441680), (2, 39220840), (4, 19610420), (5, 15688336), (8, 9805210), (10, 7844168), (16, 4902605), (20, 3922084), (40, 1961042), (59, 1329520), (80, 980521), (118, 664760), (236, 332380), (295, 265904), (472, 166190), (590, 132952), (944, 83095), (1180, 66476), (2360, 33238), (4720, 16619)]