201678440

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{20921}}^1$

素因数の和:21173

約数の個数: 32

約数和(自身を含む): 455681160

約数和(自身を除く): 254002720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 20921, 41842, 83684, 104605, 167368, 209210, 418420, 836840, 5041961, 10083922, 20167844, 25209805, 40335688, 50419610, 100839220, 201678440]

約数ペア:

[(1, 201678440), (2, 100839220), (4, 50419610), (5, 40335688), (8, 25209805), (10, 20167844), (20, 10083922), (40, 5041961), (241, 836840), (482, 418420), (964, 209210), (1205, 167368), (1928, 104605), (2410, 83684), (4820, 41842), (9640, 20921)]