91101280

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1297}}^1$

素因数の和:1751

約数の個数: 48

約数和(自身を含む): 215883360

約数和(自身を除く): 124782080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 878, 1297, 1756, 2195, 2594, 3512, 4390, 5188, 6485, 7024, 8780, 10376, 12970, 14048, 17560, 20752, 25940, 35120, 41504, 51880, 70240, 103760, 207520, 569383, 1138766, 2277532, 2846915, 4555064, 5693830, 9110128, 11387660, 18220256, 22775320, 45550640, 91101280]

約数ペア:

[(1, 91101280), (2, 45550640), (4, 22775320), (5, 18220256), (8, 11387660), (10, 9110128), (16, 5693830), (20, 4555064), (32, 2846915), (40, 2277532), (80, 1138766), (160, 569383), (439, 207520), (878, 103760), (1297, 70240), (1756, 51880), (2195, 41504), (2594, 35120), (3512, 25940), (4390, 20752), (5188, 17560), (6485, 14048), (7024, 12970), (8780, 10376)]