39903260

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 85979712

約数和(自身を除く): 46076452

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 151, 181, 292, 302, 362, 365, 604, 724, 730, 755, 905, 1460, 1510, 1810, 3020, 3620, 11023, 13213, 22046, 26426, 27331, 44092, 52852, 54662, 55115, 66065, 109324, 110230, 132130, 136655, 220460, 264260, 273310, 546620, 1995163, 3990326, 7980652, 9975815, 19951630, 39903260]

約数ペア:

[(1, 39903260), (2, 19951630), (4, 9975815), (5, 7980652), (10, 3990326), (20, 1995163), (73, 546620), (146, 273310), (151, 264260), (181, 220460), (292, 136655), (302, 132130), (362, 110230), (365, 109324), (604, 66065), (724, 55115), (730, 54662), (755, 52852), (905, 44092), (1460, 27331), (1510, 26426), (1810, 22046), (3020, 13213), (3620, 11023)]