80491448

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{593}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 162946080

約数和(自身を除く): 82454632

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 361, 376, 593, 722, 893, 1186, 1444, 1786, 2372, 2888, 3572, 4744, 7144, 11267, 16967, 22534, 27871, 33934, 45068, 55742, 67868, 90136, 111484, 135736, 214073, 222968, 428146, 529549, 856292, 1059098, 1712584, 2118196, 4236392, 10061431, 20122862, 40245724, 80491448]

約数ペア:

[(1, 80491448), (2, 40245724), (4, 20122862), (8, 10061431), (19, 4236392), (38, 2118196), (47, 1712584), (76, 1059098), (94, 856292), (152, 529549), (188, 428146), (361, 222968), (376, 214073), (593, 135736), (722, 111484), (893, 90136), (1186, 67868), (1444, 55742), (1786, 45068), (2372, 33934), (2888, 27871), (3572, 22534), (4744, 16967), (7144, 11267)]