40390725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 71781120

約数和(自身を除く): 31390395

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 79, 85, 237, 255, 395, 401, 425, 1185, 1203, 1275, 1343, 1975, 2005, 4029, 5925, 6015, 6715, 6817, 10025, 20145, 20451, 30075, 31679, 33575, 34085, 95037, 100725, 102255, 158395, 170425, 475185, 511275, 538543, 791975, 1615629, 2375925, 2692715, 8078145, 13463575, 40390725]

約数ペア:

[(1, 40390725), (3, 13463575), (5, 8078145), (15, 2692715), (17, 2375925), (25, 1615629), (51, 791975), (75, 538543), (79, 511275), (85, 475185), (237, 170425), (255, 158395), (395, 102255), (401, 100725), (425, 95037), (1185, 34085), (1203, 33575), (1275, 31679), (1343, 30075), (1975, 20451), (2005, 20145), (4029, 10025), (5925, 6817), (6015, 6715)]