13104680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 31838400

約数和(自身を除く): 18733720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 401, 430, 760, 802, 817, 860, 1604, 1634, 1720, 2005, 3208, 3268, 4010, 4085, 6536, 7619, 8020, 8170, 15238, 16040, 16340, 17243, 30476, 32680, 34486, 38095, 60952, 68972, 76190, 86215, 137944, 152380, 172430, 304760, 327617, 344860, 655234, 689720, 1310468, 1638085, 2620936, 3276170, 6552340, 13104680]

約数ペア:

[(1, 13104680), (2, 6552340), (4, 3276170), (5, 2620936), (8, 1638085), (10, 1310468), (19, 689720), (20, 655234), (38, 344860), (40, 327617), (43, 304760), (76, 172430), (86, 152380), (95, 137944), (152, 86215), (172, 76190), (190, 68972), (215, 60952), (344, 38095), (380, 34486), (401, 32680), (430, 30476), (760, 17243), (802, 16340), (817, 16040), (860, 15238), (1604, 8170), (1634, 8020), (1720, 7619), (2005, 6536), (3208, 4085), (3268, 4010)]