51968240

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1543}}^1$

素因数の和:1977

約数の個数: 40

約数和(自身を含む): 121191648

約数和(自身を除く): 69223408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1543, 1684, 2105, 3086, 3368, 4210, 6172, 6736, 7715, 8420, 12344, 15430, 16840, 24688, 30860, 33680, 61720, 123440, 649603, 1299206, 2598412, 3248015, 5196824, 6496030, 10393648, 12992060, 25984120, 51968240]

約数ペア:

[(1, 51968240), (2, 25984120), (4, 12992060), (5, 10393648), (8, 6496030), (10, 5196824), (16, 3248015), (20, 2598412), (40, 1299206), (80, 649603), (421, 123440), (842, 61720), (1543, 33680), (1684, 30860), (2105, 24688), (3086, 16840), (3368, 15430), (4210, 12344), (6172, 8420), (6736, 7715)]