80686688

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:831

約数の個数: 48

約数和(自身を含む): 164792880

約数和(自身を除く): 84106192

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 89, 164, 178, 328, 356, 656, 691, 712, 1312, 1382, 1424, 2764, 2848, 3649, 5528, 7298, 11056, 14596, 22112, 28331, 29192, 56662, 58384, 61499, 113324, 116768, 122998, 226648, 245996, 453296, 491992, 906592, 983984, 1967968, 2521459, 5042918, 10085836, 20171672, 40343344, 80686688]

約数ペア:

[(1, 80686688), (2, 40343344), (4, 20171672), (8, 10085836), (16, 5042918), (32, 2521459), (41, 1967968), (82, 983984), (89, 906592), (164, 491992), (178, 453296), (328, 245996), (356, 226648), (656, 122998), (691, 116768), (712, 113324), (1312, 61499), (1382, 58384), (1424, 56662), (2764, 29192), (2848, 28331), (3649, 22112), (5528, 14596), (7298, 11056)]