79806520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 184242240

約数和(自身を除く): 104435720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 151, 181, 292, 302, 362, 365, 584, 604, 724, 730, 755, 905, 1208, 1448, 1460, 1510, 1810, 2920, 3020, 3620, 6040, 7240, 11023, 13213, 22046, 26426, 27331, 44092, 52852, 54662, 55115, 66065, 88184, 105704, 109324, 110230, 132130, 136655, 218648, 220460, 264260, 273310, 440920, 528520, 546620, 1093240, 1995163, 3990326, 7980652, 9975815, 15961304, 19951630, 39903260, 79806520]

約数ペア:

[(1, 79806520), (2, 39903260), (4, 19951630), (5, 15961304), (8, 9975815), (10, 7980652), (20, 3990326), (40, 1995163), (73, 1093240), (146, 546620), (151, 528520), (181, 440920), (292, 273310), (302, 264260), (362, 220460), (365, 218648), (584, 136655), (604, 132130), (724, 110230), (730, 109324), (755, 105704), (905, 88184), (1208, 66065), (1448, 55115), (1460, 54662), (1510, 52852), (1810, 44092), (2920, 27331), (3020, 26426), (3620, 22046), (6040, 13213), (7240, 11023)]