80712190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{797}}^1$

素因数の和:877

約数の個数: 64

約数和(自身を含む): 168920640

約数和(自身を除く): 88208450

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 41, 65, 82, 95, 130, 190, 205, 247, 410, 494, 533, 779, 797, 1066, 1235, 1558, 1594, 2470, 2665, 3895, 3985, 5330, 7790, 7970, 10127, 10361, 15143, 20254, 20722, 30286, 32677, 50635, 51805, 65354, 75715, 101270, 103610, 151430, 163385, 196859, 326770, 393718, 424801, 620863, 849602, 984295, 1241726, 1968590, 2124005, 3104315, 4248010, 6208630, 8071219, 16142438, 40356095, 80712190]

約数ペア:

[(1, 80712190), (2, 40356095), (5, 16142438), (10, 8071219), (13, 6208630), (19, 4248010), (26, 3104315), (38, 2124005), (41, 1968590), (65, 1241726), (82, 984295), (95, 849602), (130, 620863), (190, 424801), (205, 393718), (247, 326770), (410, 196859), (494, 163385), (533, 151430), (779, 103610), (797, 101270), (1066, 75715), (1235, 65354), (1558, 51805), (1594, 50635), (2470, 32677), (2665, 30286), (3895, 20722), (3985, 20254), (5330, 15143), (7790, 10361), (7970, 10127)]