28650778840

素因数分解:

$2^3\times 5^1\times {\mathrm{967}}^1\times {\mathrm{740713}}^1$

素因数の和:741691

約数の個数: 32

約数和(自身を含む): 64531003680

約数和(自身を除く): 35880224840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 967, 1934, 3868, 4835, 7736, 9670, 19340, 38680, 740713, 1481426, 2962852, 3703565, 5925704, 7407130, 14814260, 29628520, 716269471, 1432538942, 2865077884, 3581347355, 5730155768, 7162694710, 14325389420, 28650778840]

約数ペア:

[(1, 28650778840), (2, 14325389420), (4, 7162694710), (5, 5730155768), (8, 3581347355), (10, 2865077884), (20, 1432538942), (40, 716269471), (967, 29628520), (1934, 14814260), (3868, 7407130), (4835, 5925704), (7736, 3703565), (9670, 2962852), (19340, 1481426), (38680, 740713)]