16745920

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1277

約数の個数: 56

約数和(自身を含む): 40837104

約数和(自身を除く): 24091184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1217, 1376, 1720, 2434, 2752, 3440, 4868, 6085, 6880, 9736, 12170, 13760, 19472, 24340, 38944, 48680, 52331, 77888, 97360, 104662, 194720, 209324, 261655, 389440, 418648, 523310, 837296, 1046620, 1674592, 2093240, 3349184, 4186480, 8372960, 16745920]

約数ペア:

[(1, 16745920), (2, 8372960), (4, 4186480), (5, 3349184), (8, 2093240), (10, 1674592), (16, 1046620), (20, 837296), (32, 523310), (40, 418648), (43, 389440), (64, 261655), (80, 209324), (86, 194720), (160, 104662), (172, 97360), (215, 77888), (320, 52331), (344, 48680), (430, 38944), (688, 24340), (860, 19472), (1217, 13760), (1376, 12170), (1720, 9736), (2434, 6880), (2752, 6085), (3440, 4868)]