80480675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 116718720

約数和(自身を除く): 36238045

約数列:

[1, 5, 11, 19, 25, 55, 73, 95, 209, 211, 275, 365, 475, 803, 1045, 1055, 1387, 1825, 2321, 4009, 4015, 5225, 5275, 6935, 11605, 15257, 15403, 20045, 20075, 34675, 44099, 58025, 76285, 77015, 100225, 169433, 220495, 292657, 381425, 385075, 847165, 1102475, 1463285, 3219227, 4235825, 7316425, 16096135, 80480675]

約数ペア:

[(1, 80480675), (5, 16096135), (11, 7316425), (19, 4235825), (25, 3219227), (55, 1463285), (73, 1102475), (95, 847165), (209, 385075), (211, 381425), (275, 292657), (365, 220495), (475, 169433), (803, 100225), (1045, 77015), (1055, 76285), (1387, 58025), (1825, 44099), (2321, 34675), (4009, 20075), (4015, 20045), (5225, 15403), (5275, 15257), (6935, 11605)]