3894640

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 9173520

約数和(自身を除く): 5278880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 547, 712, 890, 1094, 1424, 1780, 2188, 2735, 3560, 4376, 5470, 7120, 8752, 10940, 21880, 43760, 48683, 97366, 194732, 243415, 389464, 486830, 778928, 973660, 1947320, 3894640]

約数ペア:

[(1, 3894640), (2, 1947320), (4, 973660), (5, 778928), (8, 486830), (10, 389464), (16, 243415), (20, 194732), (40, 97366), (80, 48683), (89, 43760), (178, 21880), (356, 10940), (445, 8752), (547, 7120), (712, 5470), (890, 4376), (1094, 3560), (1424, 2735), (1780, 2188)]