31679920

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{859}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 73901520

約数和(自身を除く): 42221600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 859, 922, 1718, 1844, 2305, 3436, 3688, 4295, 4610, 6872, 7376, 8590, 9220, 13744, 17180, 18440, 34360, 36880, 68720, 395999, 791998, 1583996, 1979995, 3167992, 3959990, 6335984, 7919980, 15839960, 31679920]

約数ペア:

[(1, 31679920), (2, 15839960), (4, 7919980), (5, 6335984), (8, 3959990), (10, 3167992), (16, 1979995), (20, 1583996), (40, 791998), (80, 395999), (461, 68720), (859, 36880), (922, 34360), (1718, 18440), (1844, 17180), (2305, 13744), (3436, 9220), (3688, 8590), (4295, 7376), (4610, 6872)]