4579420

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{571}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 9657648

約数和(自身を除く): 5078228

約数列:

[1, 2, 4, 5, 10, 20, 401, 571, 802, 1142, 1604, 2005, 2284, 2855, 4010, 5710, 8020, 11420, 228971, 457942, 915884, 1144855, 2289710, 4579420]

約数ペア:

[(1, 4579420), (2, 2289710), (4, 1144855), (5, 915884), (10, 457942), (20, 228971), (401, 11420), (571, 8020), (802, 5710), (1142, 4010), (1604, 2855), (2005, 2284)]