202947760

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{9871}}^1$

素因数の和:10141

約数の個数: 40

約数和(自身を含む): 473737536

約数和(自身を除く): 270789776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 9871, 10280, 19742, 20560, 39484, 49355, 78968, 98710, 157936, 197420, 394840, 789680, 2536847, 5073694, 10147388, 12684235, 20294776, 25368470, 40589552, 50736940, 101473880, 202947760]

約数ペア:

[(1, 202947760), (2, 101473880), (4, 50736940), (5, 40589552), (8, 25368470), (10, 20294776), (16, 12684235), (20, 10147388), (40, 5073694), (80, 2536847), (257, 789680), (514, 394840), (1028, 197420), (1285, 157936), (2056, 98710), (2570, 78968), (4112, 49355), (5140, 39484), (9871, 20560), (10280, 19742)]