4491440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2441}}^1$

素因数の和:2477

約数の個数: 40

約数和(自身を含む): 10901088

約数和(自身を除く): 6409648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 2441, 4882, 9764, 12205, 19528, 24410, 39056, 48820, 56143, 97640, 112286, 195280, 224572, 280715, 449144, 561430, 898288, 1122860, 2245720, 4491440]

約数ペア:

[(1, 4491440), (2, 2245720), (4, 1122860), (5, 898288), (8, 561430), (10, 449144), (16, 280715), (20, 224572), (23, 195280), (40, 112286), (46, 97640), (80, 56143), (92, 48820), (115, 39056), (184, 24410), (230, 19528), (368, 12205), (460, 9764), (920, 4882), (1840, 2441)]