2011887740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{16139}}^1$

素因数の和:16442

約数の個数: 48

約数和(自身を含む): 4425200640

約数和(自身を除く): 2413312900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 271, 460, 542, 1084, 1355, 2710, 5420, 6233, 12466, 16139, 24932, 31165, 32278, 62330, 64556, 80695, 124660, 161390, 322780, 371197, 742394, 1484788, 1855985, 3711970, 4373669, 7423940, 8747338, 17494676, 21868345, 43736690, 87473380, 100594387, 201188774, 402377548, 502971935, 1005943870, 2011887740]

約数ペア:

[(1, 2011887740), (2, 1005943870), (4, 502971935), (5, 402377548), (10, 201188774), (20, 100594387), (23, 87473380), (46, 43736690), (92, 21868345), (115, 17494676), (230, 8747338), (271, 7423940), (460, 4373669), (542, 3711970), (1084, 1855985), (1355, 1484788), (2710, 742394), (5420, 371197), (6233, 322780), (12466, 161390), (16139, 124660), (24932, 80695), (31165, 64556), (32278, 62330)]