80995420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{16007}}^1$

素因数の和:16050

約数の個数: 48

約数和(自身を含む): 193632768

約数和(自身を除く): 112637348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 16007, 32014, 64028, 80035, 160070, 176077, 320140, 352154, 368161, 704308, 736322, 880385, 1472644, 1760770, 1840805, 3521540, 3681610, 4049771, 7363220, 8099542, 16199084, 20248855, 40497710, 80995420]

約数ペア:

[(1, 80995420), (2, 40497710), (4, 20248855), (5, 16199084), (10, 8099542), (11, 7363220), (20, 4049771), (22, 3681610), (23, 3521540), (44, 1840805), (46, 1760770), (55, 1472644), (92, 880385), (110, 736322), (115, 704308), (220, 368161), (230, 352154), (253, 320140), (460, 176077), (506, 160070), (1012, 80035), (1265, 64028), (2530, 32014), (5060, 16007)]