1280176

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 40

約数和(自身を含む): 2678400

約数和(自身を除く): 1398224

約数列:

[1, 2, 4, 8, 16, 29, 31, 58, 62, 89, 116, 124, 178, 232, 248, 356, 464, 496, 712, 899, 1424, 1798, 2581, 2759, 3596, 5162, 5518, 7192, 10324, 11036, 14384, 20648, 22072, 41296, 44144, 80011, 160022, 320044, 640088, 1280176]

約数ペア:

[(1, 1280176), (2, 640088), (4, 320044), (8, 160022), (16, 80011), (29, 44144), (31, 41296), (58, 22072), (62, 20648), (89, 14384), (116, 11036), (124, 10324), (178, 7192), (232, 5518), (248, 5162), (356, 3596), (464, 2759), (496, 2581), (712, 1798), (899, 1424)]