3998480

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:495

約数の個数: 40

約数和(自身を含む): 9386304

約数和(自身を除く): 5387824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 331, 604, 662, 755, 1208, 1324, 1510, 1655, 2416, 2648, 3020, 3310, 5296, 6040, 6620, 12080, 13240, 26480, 49981, 99962, 199924, 249905, 399848, 499810, 799696, 999620, 1999240, 3998480]

約数ペア:

[(1, 3998480), (2, 1999240), (4, 999620), (5, 799696), (8, 499810), (10, 399848), (16, 249905), (20, 199924), (40, 99962), (80, 49981), (151, 26480), (302, 13240), (331, 12080), (604, 6620), (662, 6040), (755, 5296), (1208, 3310), (1324, 3020), (1510, 2648), (1655, 2416)]