53858360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 125405280

約数和(自身を除く): 71546920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 173, 181, 215, 344, 346, 362, 430, 692, 724, 860, 865, 905, 1384, 1448, 1720, 1730, 1810, 3460, 3620, 6920, 7240, 7439, 7783, 14878, 15566, 29756, 31132, 31313, 37195, 38915, 59512, 62264, 62626, 74390, 77830, 125252, 148780, 155660, 156565, 250504, 297560, 311320, 313130, 626260, 1252520, 1346459, 2692918, 5385836, 6732295, 10771672, 13464590, 26929180, 53858360]

約数ペア:

[(1, 53858360), (2, 26929180), (4, 13464590), (5, 10771672), (8, 6732295), (10, 5385836), (20, 2692918), (40, 1346459), (43, 1252520), (86, 626260), (172, 313130), (173, 311320), (181, 297560), (215, 250504), (344, 156565), (346, 155660), (362, 148780), (430, 125252), (692, 77830), (724, 74390), (860, 62626), (865, 62264), (905, 59512), (1384, 38915), (1448, 37195), (1720, 31313), (1730, 31132), (1810, 29756), (3460, 15566), (3620, 14878), (6920, 7783), (7240, 7439)]