16213040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4943}}^1$

素因数の和:4997

約数の個数: 40

約数和(自身を含む): 38622528

約数和(自身を除く): 22409488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 4943, 9886, 19772, 24715, 39544, 49430, 79088, 98860, 197720, 202663, 395440, 405326, 810652, 1013315, 1621304, 2026630, 3242608, 4053260, 8106520, 16213040]

約数ペア:

[(1, 16213040), (2, 8106520), (4, 4053260), (5, 3242608), (8, 2026630), (10, 1621304), (16, 1013315), (20, 810652), (40, 405326), (41, 395440), (80, 202663), (82, 197720), (164, 98860), (205, 79088), (328, 49430), (410, 39544), (656, 24715), (820, 19772), (1640, 9886), (3280, 4943)]