201992080

素因数分解:

$2^4\times 5^1\times {\mathrm{619}}^1\times {\mathrm{4079}}^1$

素因数の和:4711

約数の個数: 40

約数和(自身を含む): 470505600

約数和(自身を除く): 268513520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 619, 1238, 2476, 3095, 4079, 4952, 6190, 8158, 9904, 12380, 16316, 20395, 24760, 32632, 40790, 49520, 65264, 81580, 163160, 326320, 2524901, 5049802, 10099604, 12624505, 20199208, 25249010, 40398416, 50498020, 100996040, 201992080]

約数ペア:

[(1, 201992080), (2, 100996040), (4, 50498020), (5, 40398416), (8, 25249010), (10, 20199208), (16, 12624505), (20, 10099604), (40, 5049802), (80, 2524901), (619, 326320), (1238, 163160), (2476, 81580), (3095, 65264), (4079, 49520), (4952, 40790), (6190, 32632), (8158, 24760), (9904, 20395), (12380, 16316)]