201645380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{245909}}^1$

素因数の和:245959

約数の個数: 24

約数和(自身を含む): 433785240

約数和(自身を除く): 232139860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 245909, 491818, 983636, 1229545, 2459090, 4918180, 10082269, 20164538, 40329076, 50411345, 100822690, 201645380]

約数ペア:

[(1, 201645380), (2, 100822690), (4, 50411345), (5, 40329076), (10, 20164538), (20, 10082269), (41, 4918180), (82, 2459090), (164, 1229545), (205, 983636), (410, 491818), (820, 245909)]