28039840

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1013}}^1$

素因数の和:1201

約数の個数: 48

約数和(自身を含む): 66692808

約数和(自身を除く): 38652968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 692, 865, 1013, 1384, 1730, 2026, 2768, 3460, 4052, 5065, 5536, 6920, 8104, 10130, 13840, 16208, 20260, 27680, 32416, 40520, 81040, 162080, 175249, 350498, 700996, 876245, 1401992, 1752490, 2803984, 3504980, 5607968, 7009960, 14019920, 28039840]

約数ペア:

[(1, 28039840), (2, 14019920), (4, 7009960), (5, 5607968), (8, 3504980), (10, 2803984), (16, 1752490), (20, 1401992), (32, 876245), (40, 700996), (80, 350498), (160, 175249), (173, 162080), (346, 81040), (692, 40520), (865, 32416), (1013, 27680), (1384, 20260), (1730, 16208), (2026, 13840), (2768, 10130), (3460, 8104), (4052, 6920), (5065, 5536)]