20161082030

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1\times {\mathrm{499}}^1$

素因数の和:1041

約数の個数: 64

約数和(自身を含む): 37152000000

約数和(自身を除く): 16990917970

約数列:

[1, 2, 5, 10, 79, 158, 199, 257, 395, 398, 499, 514, 790, 995, 998, 1285, 1990, 2495, 2570, 4990, 15721, 20303, 31442, 39421, 40606, 51143, 78605, 78842, 99301, 101515, 102286, 128243, 157210, 197105, 198602, 203030, 255715, 256486, 394210, 496505, 511430, 641215, 993010, 1282430, 4040297, 7844779, 8080594, 10131197, 15689558, 20201485, 20262394, 25520357, 39223895, 40402970, 50655985, 51040714, 78447790, 101311970, 127601785, 255203570, 2016108203, 4032216406, 10080541015, 20161082030]

約数ペア:

[(1, 20161082030), (2, 10080541015), (5, 4032216406), (10, 2016108203), (79, 255203570), (158, 127601785), (199, 101311970), (257, 78447790), (395, 51040714), (398, 50655985), (499, 40402970), (514, 39223895), (790, 25520357), (995, 20262394), (998, 20201485), (1285, 15689558), (1990, 10131197), (2495, 8080594), (2570, 7844779), (4990, 4040297), (15721, 1282430), (20303, 993010), (31442, 641215), (39421, 511430), (40606, 496505), (51143, 394210), (78605, 256486), (78842, 255715), (99301, 203030), (101515, 198602), (102286, 197105), (128243, 157210)]